File photo taken on Aug. 5, 2012 shows China's Lin Dan saluting at the awarding ceremony of men's badminton singles, at London 2012 Olympic Games in London, Britain. 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/Chen Xiaowei)
