Usain Bolt (C) of Jamaica, Richard Thompson of Trinidad and Tobago and James Dasaolu of Great Britain compete in the Men's 100m Round 1 on Day 8 of the Rio 2016 Olympic Games at the Olympic Stadium on August 13, 2016 in Rio de Janeiro, Brazil.

Julian Jrummi Walsh of Japan, Baboloki Thebe of Botswana, Lalonde Gordon of Trinidad and Tobago during the Men's 400m Round 1 on Day 7 of the Rio 2016 Olympic Games at the Olympic Stadium on August 12, 2016 in Rio de Janeiro, Brazil.

Amsterdam 1928-MIEZ G. (SUI) 1st combined team and individual exercises horizontal bar and 2nd pommelled horse

Amsterdam 1928-VACHA Ladislav (TCH) 1st in parallel bars and 2nd in rings and team combined exercises.

The walls and concrete slabs from the old building are recycled, and the sorting of materials and crushing of concrete take place on site. The resulting product will be re-used in the recycled concrete to build the slurry wall and sill plate – a unique operation on Lausanne construction sites.

Samuel Girard and Charles Hamelin of Canada, Shaolin Sandor Liu and Shaoang Liu of Hungary and Tianyu Han and Dajing Wu of People's Republic of China compete during the Short Track Speed Skating Men's 5,000m Relay on Day 13 of the PyeongChang 2018 Winter Olympic Games at Gangneung Ice Arena on February 22, 2018 in Gangneung, Republic of Korea.

Silver medalists David Florence and Richard Hounslow of Great Britain, gold medalists Ladislav Skantar and Peter Skantar of Slovakia and Bronze medalists Gauthier Klauss and Matthieu Peche of France celebrate on the podium at the medal ceremony for the Men's Canoe Double (C2) on Day 6 of the Rio 2016 Olympics at Whitewater Stadium on August 11, 2016 in Rio de Janeiro, Brazil.

(L-R) Silver medalists Horia Tecau and Florin Mergea of Romania, gold medalists Rafael Nadal and Marc Lopez of Spain, and bronze medalists Steve Johnson and Jack Sock of the United States stand on the podium after the Men's Doubles competition on Day 7 of the Rio 2016 Olympic Games at the Olympic Tennis Centre on August 12, 2016 in Rio de Janeiro, Brazil.

Athens 1896-Cycling-FLAMENG Léon (FRA) and MASSON Paul(FRA).

Dajing Wu, Tianyu Han, Hongzhi Xu, Dequan Chen and Ziwei Ren of People's Republic of China (Silver), Shaoang Liu, Shaolin Sandor Liu, Viktor Knoch and Csaba Burjan of Hungary (Gold) and Samuel Girard, Charles Hamelin, Charle Cournoyer and Pascal Dion of Canada (Bronze) celebrate during the victory ceremony after the Short Track Speed Skating Men's 5,000m Relay on Day 13 of the PyeongChang 2018 Winter Olympic Games at Gangneung Ice Arena on February 22, 2018 in Gangneung, Republic of Korea.