Eric Liddell, the "Flying Scotsman" from Tianjin, won an Olympic gold in the men's 400 meters in Paris a century ago with little training. After this great achievement, he returned to China and dedicated himself to developing sports in the city. This summer, the Tianjin Sports Museum opened a permanent exhibition to honor him and celebrate friendships between China and Scotland. What makes the story of Eric Liddell touch people from Scotland and China?