SHANGHAI, Dec. 9, 2012 (Xinhua) -- Kwak Yoon Gy (Front) of South Korea celebrates victory during the men's 1000m final in the ISU Short Track World Cup speed skating competition in Shanghai, China, on Dec. 9, 2012. Kwak won the gold medal with a time of 1 minute 24.928 seconds.(Xinhua/Fan Jun)