Thousands of years in the making, the Olympics began as part of a religious festival honouring the Greek god Zeus in the rural Greek town of Olympia. But how did it become the greatest show of sporting excellence on earth?

几千年历史发展至今，奥林匹克竞赛原本起始于希腊奥林匹亚的乡村城镇为了纪念希腊神宙斯而建立的宗教节日，是如何演变成为世界上最为精彩的体育运动表演？