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A pedestrain walks past a placard writing "Enjoy Lausanne 2020" in Lausanne, Switzerland on Jan. 6, 2020. The 3rd Youth Winter Olympic Games will be held from Jan. 9 to Jan. 22 in Switzerland and France. (Xinhua/Lu Yang)
A pedestrain walks past a placard writing "Enjoy Lausanne 2020" in Lausanne, Switzerland on Jan. 6, 2020. The 3rd Youth Winter Olympic Games will be held from Jan. 9 to Jan. 22 in Switzerland and France. (Xinhua/Lu Yang)