File photo taken on April 26, 2015 shows China's Lin Dan greeting the spectators after winning the men's singles final match at the Asian Badminton Championships 2015 in Wuhan, central China's Hubei Province. Chinese badminton legend Lin Dan announced his retirement on social media on July 4, ending an illustrious career at the age of 37. One of the most outstanding players in badminton, Lin has won 20 major titles including two Olympic golds, and five world championship titles. He also helped China win six Thomas Cup and five Sudirman Cup titles. (Xinhua/Cheng Min)
