A worshipper hangs Tibetan prayer flags on a grassland in Tianjun county, Qinghai province July 20, 2013. Picture taken July 20, 2013. [Photo/Agencies]

Chinese actor Mei Zhiyong performs a flying kick in front of a bronze statue of kung fu legend Bruce Lee on the waterfront of Hong Kong July 20, 2013. Fans are gathering in Hong Kong for a series of commemorative events to mark the 40th death anniversary of Lee, who starred in movies such as "Enter The Dragon" and "Game Of Death". [Photo/Agencies]