This is the stadium at Olympia. It was built during the 4th century BC and it was the largest of its kind at the time. It could seat 50,000 spectators! Olympia was not only a centre of sport but ...

(Jewel Samad/AFP/Getty Images) The men’s and women’s race walking events continued at the Rio Olympics on Friday and so did the Internet’s snark about the sport. But it wasn’t always such ...