HomeGuangming InsightsChinaWorldCultureNatureLifeSci & TechInfographicVideo 2021-July-29 09:07 By: Xinhua Shi Zhiyong of China attends the awarding ceremony of the men's 73kg weightlifting event of the Tokyo 2020 Olympic Games in Tokyo, Japan, July 28, 2021. (Xinhua/Yang Lei) TOKYO, July 28 (Xinhua) -- Chinese weightlifter Shi Zhiyong won his second Olympic gold medal with a world record-breaking performance in the men's 73kg category at Tokyo 2020 here on Wednesday. A late challenge by his closest opponent, Julio Ruben Mayora Pernia of Venezuela, pushed Shi to go for 198kg that ties the world record in his third attempt in the clean and jerk, before a new world record in total was born when Shi lifted the dumbbell over his head.