A diver dives from 6m springboard during a free training session in the Olympic aquatic centre in Athens August 5, 2004, eight days before of start of the Athens 2004 Olympic Games. REUTERS/Marcelo Del Pozo Pictures of the Year 2004 Russia's Evgeniya Kanaeva competes using the ball in the individual all-around rhythmic gymnastics final at Wembley Arena during the London 2012 Olympic Games August 11, 2012. REUTERS/Marcelo Del Pozo Argentina's players stand before start women's field hockey bronze medal match against [China] at Athens 2004 Olympic Summer Games, August 26, 2004. Argentina won 1-0. Athletes are seen running in this photograph taken with a slow shutter speed during the men's 100 metres heats at the Athens 2004 Olympic Games, August 21, 2004. REUTERS/Marcelo Del Pozo Zambia's Ellis Chibuye looks at his opponent during the fight against Turkey's Bulent Ulusoy at their welterweight (69kg) round of 32 boxing bout at the Athens 2004 Olympic Games August 15, 2004. Ulusoy won the fight. REUTERS/Marcelo Del Pozo 2016 Rio Olympics - Volleyball - Women's Preliminary - Pool A Brazil v Japan - Maracanazinho - Rio de Janeiro, Brazil - 10/08/2016. Brazilian team players celebrate a point. REUTERS/Marcelo Del Pozo TPX IMAGES OF THE DAY Germans players Ersting Krienki and Rodewald celebrate after winning women's field hockey final match against Netherlands at the Athens 2004 Olympic Games. German players Nadine Ersting Krienki (L) and Marion Rodewald celebrate after winning women's field hockey final match against Netherlands at Athens 2004 Olympic Games, August 26, 2004. Germany won the gold medal, Netherlands took the silver and Argentina bronze. REUTERS/Marcelo Del Pozo A synchronised swimmer from Greece takes part in a free training session in the Olympic aquatic centre in Athens August 6, 2004, seven days before the start of Athens 2004 Olympic Games. REUTERS/Marcelo Del Pozo 2016 Rio Olympics - Badminton - Women's Singles - Gold Medal Match - Riocentro - Pavilion 4 - Rio de Janeiro, Brazil - 19/08/2016. P.V. Sindhu (IND) of India lies on the court during her match against Carolina Marin (ESP) of Spain. REUTERS/Marcelo del Pozo TPX IMAGES OF THE DAY A general view shows the Horse Guards Parade during the women's beach volleyball semifinal match between China's Xue Chen and Zhang Xi and Misty May-Treanor and Kerri Walsh Jennings of the U.S. during the London 2012 Olympic Games August 7, 2012. REUTERS/Marcelo Del Pozo Brazil's Juliana is seen during her women's beach volleyball bronze medal match against China's Xue Chen and Zhang Xi at the Horse Guards Parade during the London 2012 Olympic Games August 8, 2012. REUTERS/Marcelo Del Pozo Italy's Greta Cicolari and Marta Menegatti (R) compete against Spain's Liliana Fernandez Steiner and Elsa Baquerizo McMillan during their women's round of 16 beach volleyball match at Horse Guards Parade during the London 2012 Olympic Games August 4, 2012. REUTERS/Marcelo del Pozo Spain's Rafael Nadal wipes his face as he attends a tennis practice session ahead of the Beijing 2008 Olympic Games August 7, 2008. REUTERS/Marcelo del Pozo 2016 Rio Olympics - Badminton - Men's Singles - Gold Medal Match - Riocentro - Pavilion 4 - Rio de Janeiro, Brazil - 20/08/2016. Chen Long (CHN) of China is held up by a coach as he celebrates after winning his match against Chong Wei Lee (MAS) of Malaysia. REUTERS/Marcelo Del Pozo TPX IMAGES OF THE DAY U.S. Brett McClure performs a routine on the horizontal bar during the men's artistic gymnastics during the men's artistic gymnastics individual all-round final at the Athens 2004 Olympic Summer Games August 18, 2004 People cross an avenue in Beijing, ahead of the 2008 Olympic Games, August 4, 2008. REUTERS/Marcelo del Pozo People ride a moped in Beijing, ahead of the 2008 Olympic Games, August 4, 2008. REUTERS/Marcelo del Pozo A cyclist waits for pedestrians to cross a zebra crossing in Beijing, ahead of the 2008 Olympic Games, August 4, 2008. REUTERS/Marcelo del Pozo Performers wait to take part in the last rehearsal for the opening ceremony of the Beijing 2008 Olympic Games August 5, 2008. REUTERS/Marcelo del Pozo A boy plays in front of the National Stadium, also known as the Bird's Nest, before the last rehearsal for the opening ceremony of the Beijing 2008 Olympic Games August 5, 2008. REUTERS/Marcelo del Pozo A woman looks from a balcony of the National Stadium, also known as the Bird's Nest, before the last rehearsal for the opening ceremony of the Beijing 2008 Olympic Games August 5, 2008. REUTERS/Marcelo del Pozo Performers wait before the last rehearsal for the opening ceremony of the Beijing 2008 Olympic Games August 5, 2008. REUTERS/Marcelo del Pozo A soldier keeps watch next to the National Aquatics Center, also known as the Water Cube, ahead of the Beijing 2008 Olympic Games, August 5, 2008. REUTERS/Marcelo del Pozo A man walks along a corridor in a building inside the Olympic Village ahead of the Beijing 2008 Olympic Games August 6, 2008. REUTERS/Marcelo del Pozo Cloakroom attendants stand in a hotel inside the Olympic Village ahead of the Beijing 2008 Olympic Games August 6, 2008. REUTERS/Marcelo del Pozo Rasul Boqiev of Tajikistan (white) celebrates after defeating Dirk van Tichelt of Belgium during their men's -73kg final of the repechages judo match at the Beijing 2008 Olympic Games, August 11, 2008. REUTERS/Marcelo Del Pozo Deborah Gravenstijn of the Netherlands celebrates after defeating Isabel Fernandez of Spain during their women's -57kg preliminary judo match at the Beijing 2008 Olympic Games, August 11, 2008. REUTERS/Marcelo del Pozo Argentina's player Lionel Messi attends a soccer training session during the Beijing 2008 Olympic Games August 12, 2008. REUTERS/Marcelo del Pozo Sweden's King Carl Gustaf (C) and Queen Silvia shake hands with Sweden players at the end of the women's quarter-final handball match between Norway and Sweden at the Beijing 2008 Olympics Games August 19, 2008. REUTERS/Marcelo Del Pozo Dorrit Moussaieff, wife of Iceland's President Olafur Ragnar Grimsson, waves Iceland flags near a Poland player as she celebrates her team's win over Poland in their men's quarter-final handball match at the Beijing 2008 Olympic Games August 20, 2008. REUTERS/Marcelo Del Pozo A performer is seen before the start of the 2012 Olympic Games opening ceremony in the Olympic Stadium at the Olympic Park in London July 27, 2012. REUTERS/Marcelo del Pozo A performer sits as she wait before the start of the 2012 Olympic Games opening ceremony, next to the Olympic Stadium at the Olympic Park in London July 27, 2012. REUTERS/Marcelo del Pozo A performer holding a China flag laughs after participating in the opening ceremony of the London 2012 Olympic Games next to the Olympic Stadium at the Olympic Park in London July 27, 2012. REUTERS/Marcelo del Pozo South Africa's Grant Goldschmidt (R) helps his team mate Freedom Chiya to stand up during their men's preliminary round beach volleyball match against Latvia at the London 2012 Olympic Games at Horse Guards Parade July 30, 2012. REUTERS/Marcelo Del Pozo Rain clouds are seen over Horses Guards Parade, where the beach volleyball competition is taking place, at the London 2012 Olympics Games July 29, 2012. REUTERS/Marcelo del Pozo Switzerland's Sascha Heyer spikes the ball as Russia's Konstantin Semenov jumps to block it and their teammates, Seba Chevallier (L) and Konstantin Semenov (R) respectively, watch during their men's preliminary round beach volleyball match at the London 2012 Olympic Games at Horse Guards Parade July 30, 2012. REUTERS/Marcelo del Pozo Germany's Angelique Kerber (L) and Sabine Lisicki rest during a break in their women's doubles tennis match against Serena Williams and Venus Williams of the U.S. at the All England Lawn Tennis Club during the London 2012 Olympic Games July 31, 2012. REUTERS/Marcelo Del Pozo View of the shoes worn by Andy Roddick of the U.S. during his men's singles tennis match against Serbia's Novak Djokovic at the All England Lawn Tennis Club during the London 2012 Olympic Games July 31, 2012. REUTERS/Marcelo Del Pozo Brazil's Juliana Silva dusts off sand from her legs during their women's preliminary round beach volleyball match against Czech Republic's Hana Klapalova and Lenka Hajeckova at Horse Guards Parade during the London 2012 Olympic Games August 1, 2012. REUTERS/Marcelo del Pozo Spectators watch the men's preliminary round beach volleyball match between Poland's Mariusz Prudel and Grzegorz Fijalek against South Africa's Freedom Chiya and Grant Goldschmidt in the rain at Horse Guards Parade during the London 2012 Olympic Games August 1, 2012. REUTERS/Marcelo del Pozo Supporters of Jacob Gibb and Sean Rosenthal of the U.S. cheer before their men's preliminary round beach volleyball match against Latvia's Aleksandrs Samoilovs and Ruslans Sorokins at Horse Guards Parade during the London 2012 Olympic Games August 1, 2012. REUTERS/Marcelo del Pozo Supporters of Britain's John Garcia-Thompson and Steve Grotowski cheer during their men's preliminary round beach volleyball match against Norway's Tarjei Viken Skarlund and Tarjei Viken Skarlund at Horse Guards Parade during the London 2012 Olympic Games August 1, 2012. REUTERS/Marcelo del Pozo Supporters cheer during the men's preliminary round beach volleyball match between Brazil's Ricardo Santos and Pedro Cunha and Canada's Joshua Binstock and Martin Reader at Horse Guards Parade during the London 2012 Olympic Games August 1, 2012. REUTERS/Marcelo del Pozo Australia's team perform in the synchronised swimming teams free routine final during the London 2012 Olympic Games at the Aquatics Centre August 10, 2012. REUTERS/Marcelo Del Pozo China's team perform in the synchronised swimming teams free routine final during the London 2012 Olympic Games at the Aquatics Centre August 10, 2012. REUTERS/Marcelo Del Pozo Canada's team perform in the synchronised swimming teams free routine final during the London 2012 Olympic Games at the Aquatics Centre August 10, 2012. REUTERS/Marcelo Del Pozo China's Lin Yue performs a dive during the men's 10m platform preliminary round at the London 2012 Olympic Games at the Aquatics Centre August 10, 2012. REUTERS/Marcelo Del Pozo A shot from flowers at the Aquatics Centre shows China's Lin Que as he prepares to perform a dive during the men's 10m platform preliminary round at the London 2012 Olympic Games August 10, 2012. REUTERS/Marcelo Del Pozo Bulgaria's Silviya Miteva competes using the ball in the individual all-around rhythmic gymnastics final at Wembley Arena during the London 2012 Olympic Games August 11, 2012. REUTERS/Marcelo Del Pozo Team Russia bite their gold medals in the victory ceremony after the group all-around rhythmic gymnastics final at Wembley Arena during the London 2012 Olympic Games August 12, 2012. REUTERS/Marcelo Del Pozo Dancers prepare to perform at Horse Guards Parade during the London 2012 Olympic Games August 4, 2012. REUTERS/Marcelo del Pozo Spectators watch the men's round of 16 beach volleyball match at Horse Guards Parade during the London 2012 Olympic Games August 4, 2012. REUTERS/Marcelo del Pozo A man wearing shoes bearing the Union Flag, commonly known as the Union Jack, sits outside Horse Guards Parade during the London 2012 Olympic Games August 3, 2012. REUTERS/Marcelo del Pozo A ray of sunlight shines on the helmet of a Greek cyclist during a free training session in the Olympic Velodrome in Athens, August 11, 2004, two days before the start of Athens 2004 Olympic Games. REUTERS/Marcelo Del Pozo Utkirbek Haydarov (R) of Uzbekistan and Isaac Ekpo of Nigeria fight during their light heavyweight (81kg) first round boxing bout at the Athens 2004 Olympic Games August 14, 2004. Haydarov won the fight. REUTERS/Marcelo Del Pozo Oleg Mashkin (R) of Ukraine and Khotso Godfrey Motau of South Africa fight during their middleweight (75kg) first round boxing bout at the Athens 2004 Olympic Games August 14, 2004. Mashkin won the fight. REUTERS/Marcelo Del Pozo Athletes is seen running in this photograph taken with a slow shutter speed during the men's 100 metres heats at the Athens 2004 Olympic Games, August 21, 2004. REUTERS/Marcelo Del Pozo China's Tang Gonghong powers a lift in the women's +75 kg weightlifting event at the Athens 2004 Olympic Games. China's Tang Gonghong powers a lift in the women's +75 kg weightlifting event at the Athens 2004 Olympic Games, August 21, 2004.Tang set a world record of 182.5 kg in the clean and jerk during the Olympic weightlifting women's super-heavyweight competition on Saturday. The lift also gave Tang a world-record overall total of 305.kg. REUTERS/Marcelo Del Pozo Greece's Pyrros Dimas stands on the podium in the men's 85 kg weightlifting event at the Athens 2004 Olympic Games. Greece's Pyrros Dimas stands on the podium in the men's 85 kg weightlifting event at the Athens 2004 Olympic Games August 21, 2004. Georgia's George Asanidze won the men's weightlifting +85kg gold medal, Belarus's Andrei Rybacou took the silver, and Greece's Pyrros Dimas the bronze. REUTERS/Marcelo Del Pozo Germany's players celebrate celebrate on the podium after winning women's field hockey final match against Netherlands at the Athens 2004 Olympic Games. Germany's players celebrate on the podium after winning the women's field hockey final match against the Netherlands at Athens 2004 Olympic Games, August 26, 2004. Germany won the gold medal, Netherlands took the silver and Argentina bronze. REUTERS/Marcelo Del Pozo The Cuban team celebrate winning the gold medal in the men's baseball final against Australia at the Athens 2004 Olympic Games, August 25, 2004. Cuba won the gold medal, Australia took the silver and Japan bronze. REUTERS/Marcelo Del Pozo 2016 Rio Olympics - Badminton - Women's Singles - Gold Medal Match - Riocentro - Pavilion 4 - Rio de Janeiro, Brazil - 19/08/2016. P.V. Sindhu (IND) of India plays against Carolina Marin (ESP) of Spain. REUTERS/Marcelo del Pozo 2016 Rio Olympics - Badminton - Men's Doubles Group Play - Riocentro - Pavilion 4 - Rio de Janeiro, Brazil - 13/08/2016. Kim Ki-Jung (KOR) of South Korea and Kim Sa-Rang (KOR) of South Korea lie on the court as they celebrate after winning their match against Mathias Boe (DEN) of Denmark and Carsten Mogensen (DEN) of Denmark. REUTERS/Marcelo Del Pozo TPX IMAGES OF THE DAY 2016 Rio Olympics - Volleyball - Women's Preliminary - Pool A Brazil v Japan - Maracanazinho - Rio de Janeiro, Brazil - 10/08/2016. Natalia (BRA) of Brazil attempts to save the ball. REUTERS/Marcelo del Pozo 2016 Rio Olympics - Volleyball - Women's Preliminary - Pool A Russia v Cameroon - Maracanazinho - Rio de Janeiro, Brazil - 10/08/2016. Bodo Essissima Madeleine Samantha (CMR) of Cameroon reacts. REUTERS/Marcelo Del Pozo TPX IMAGES OF THE DAY 2016 Rio Olympics - Volleyball - Men's Preliminary - Pool B Cuba v Egypt - Maracanazinho - Rio de Janeiro, Brazil - 09/08/2016. Javier Jimenez (CUB) of Cuba (L) spikes the ball against (L-R) Miguel Angel Lopez Castro (CUB) of Cuba, Livan Osoria (CUB) of Cuba and Javier Jimenez (CUB) of Cuba. REUTERS/Marcelo del Pozo 2016 Rio Olympics - Badminton - Women's Singles Group Play - Riocentro - Pavilion 4 - Rio de Janeiro, Brazil - 14/08/2016. A tattoo of the Olympic rings with the word "London" beneath it is seen on the leg of one of the umpires. REUTERS/Marcelo del Pozo Russia's Alexei Smirnov plays the ball next to his team mate [Dimitrij Mazunov (not pictured)] against [Hong Kong's Yuk Cheung and Chu Yan Leung] in the men's doubles third round of table tennis competition at the Athens 2004 Olympic Summer Games August 18, 2004 Athletes run during the men's 100 metres heats 3 at the Athens 2004 Olympic Summer Games August 21, 2004 Michael Phelps from the U.S. swims in his 100 metres butterfly heat at the Athens 2004 Olympic Summer Games August 19, 2004