Chinese athlete Liu Changchun standing on the 100-meter starting line in 1932 at the Ten Thousand People Stadium in Los Angeles, USA. For this moment, Liu Changchun refused to represent the puppet Manchukuo supported by Japan to participate in the 10th Los Angeles Olympic Games, bid farewell to his wife and children in tears, escaped from Dalian occupied by Japanese invaders, and escaped the pursuit of the Kwantung Army all the way. After 23 days of wandering, I went to the meeting alone, representing 400 million Chinese people on the Olympic runway. He knocked on the door of the Olympic Games for the Chinese people, and expressed to the world a nation's strong will to catch up with the world, unwilling to be left behind, unwilling to be humiliated.