Josephine Pagnier of France competes during the mixed team ski jumping event at 3rd Winter Youth Olympic Games at Les Tuffes Nordic Centre in Les Rousses, France, on Jan. 20, 2020. (Photos: Xinhua)

Kudo Sota of Japan competes during the mixed team ski jumping event at 3rd Winter Youth Olympic Games at Les Tuffes Nordic Centre in Les Rousses, France, on Jan. 20, 2020.

Josephine Pagnier of France competes during the mixed team ski jumping event at 3rd Winter Youth Olympic Games at Les Tuffes Nordic Centre in Les Rousses, France, on Jan. 20, 2020.

Team Austria (C), Team Japan (L) and Team France pose for photos during the mascot ceremony for the mixed team ski jumping event at 3rd Winter Youth Olympic Games at Les Tuffes Nordic Centre in Les Rousses, France, on Jan. 20, 2020.

Marco Woergoetter of Austria reacts after his last jumping during the mixed team ski jumping event at 3rd Winter Youth Olympic Games at Les Tuffes Nordic Centre in Les Rousses, France, on Jan. 20, 2020.

Miyazaki Ayane of Japan competes during the mixed team ski jumping event at 3rd Winter Youth Olympic Games at Les Tuffes Nordic Centre in Les Rousses, France, on Jan. 20, 2020.

Marco Woergoetter of Austria competes during the mixed team ski jumping event at 3rd Winter Youth Olympic Games at Les Tuffes Nordic Centre in Les Rousses, France, on Jan. 20, 2020.

Team Austria celebrate during the mascot ceremony for the mixed team ski jumping event at 3rd Winter Youth Olympic Games at Les Tuffes Nordic Centre in Les Rousses, France, on Jan. 20, 2020.

Team Austria pose for photos during the mascot ceremony for the mixed team ski jumping event at 3rd Winter Youth Olympic Games at Les Tuffes Nordic Centre in Les Rousses, France, on Jan. 20, 2020.

Lisa Hirner of Austria competes during the mixed team ski jumping event at 3rd Winter Youth Olympic Games at Les Tuffes Nordic Centre in Les Rousses, France, on Jan. 20, 2020.

Kudo Sota of Japan competes during the mixed team ski jumping event at 3rd Winter Youth Olympic Games at Les Tuffes Nordic Centre in Les Rousses, France, on Jan. 20, 2020.

Nishikata Yuto of Japan competes during the mixed team ski jumping event at 3rd Winter Youth Olympic Games at Les Tuffes Nordic Centre in Les Rousses, France, on Jan. 20, 2020.

Lisa Hirner of Austria competes during the mixed team ski jumping event at 3rd Winter Youth Olympic Games at Les Tuffes Nordic Centre in Les Rousses, France, on Jan. 20, 2020.

Miyazaki Ayane of Japan competes during the mixed team ski jumping event at 3rd Winter Youth Olympic Games at Les Tuffes Nordic Centre in Les Rousses, France, on Jan. 20, 2020.

Marco Woergoetter of Austria competes during the mixed team ski jumping event at 3rd Winter Youth Olympic Games at Les Tuffes Nordic Centre in Les Rousses, France, on Jan. 20, 2020. (Xinhua/Dan Yuqi)

Marco Woergoetter of Austria competes during the mixed team ski jumping event at 3rd Winter Youth Olympic Games at Les Tuffes Nordic Centre in Les Rousses, France, on Jan. 20, 2020.

Stefan Rettenegger of Austria competes during the mixed team ski jumping event at 3rd Winter Youth Olympic Games at Les Tuffes Nordic Centre in Les Rousses, France, on Jan. 20, 2020.

Florence Brunelle of Canada, Zhang Chutong of China, Michelle Velzeboer of the Netherlands and Seo Whi Min of South Korea (L to R) start off during the final of women's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Zhang Chutong (1st L) of China competes during the semifinal of women's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Zhang Chutong (2nd L) of China competes during the semifinal of women's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Zhang Chutong (R) of China and Michelle Velzeboer of the Netherlands compete during the final of women's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Bronze medalist Zhang Tianyi of China attends the awarding ceremony of men's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Zhang Tianyi (L) of China competes during the semifinal of men's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Gold medalist Lee Jeongmin (C) of South Korea, silver medalist Jang Sungwoo (L) of South Korea and bronze medalist Zhang Tianyi of China pose for photos during the awarding ceremony of men's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Bronze medalist Zhang Tianyi of China displays his bronze medal during the awarding ceremony of men's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Zhang Tianyi (front) of China competes during the semifinal of men's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Gold medalist Lee Jeongmin (C) of South Korea, silver medalist Jang Sungwoo (L) of South Korea and bronze medalist Zhang Tianyi of China pose for photos during the awarding ceremony of men's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Zhang Tianyi (R) of China falls during the final of men's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Bronze medalist Zhang Tianyi (L) of China shakes hands with Sochi Winter Olympic champion Zhang Hong of China during the awarding ceremony of men's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Zhang Tianyi (R) of China competes during the semifinal of men's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Vladimir Balbekov of Russia, Lee Jeongmin of South Korea, Daniil Nikolaev of Russia and Li Kongchao of China (L to R) compete during the semifinal of men's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Zhang Tianyi (Front) of China competes during the final A of men's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Zhang Tianyi of China, Jang Sungwoo of South Korea and Miyata Shogo of Japan (L to R) compete during the semifinal of men's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Thomas Nadalini of Italy and Li Kongchao (R) of China compete during the final B of men's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Thomas Nadalini of Italy, Miyata Shogo of Japan, Li Kongchao of China and Daniil Nikolaev of Russia (L to R) compete during the final B of men's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Zhang Tianyi (2nd L) of China competes during the final A of men's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Daniil Nikolaev of Russia, Li Kongchao of China, Miyata Shogo of Japan and Thomas Nadalini of Italy (L to R) compete during the final B of men's 500m of short track speed skating at the 3rd Winter Youth Olympic Games at Lausanne Skating Arena in Lausanne, Switzerland on Jan. 20, 2020.

Andrei Robert Nica of Romania competes during the men's monobob competition at the Lausanne 2020 Winter Youth Olympic Games (YOG) in St. Moritz, Switzerland, Jan. 20, 2020.

Yodli, mascot of Lausanne 2020 is seen after the men's monobob competition at the Lausanne 2020 Winter Youth Olympic Games (YOG) in St. Moritz, Switzerland, Jan. 20, 2020.

Nathan Besnard of France competes during the men's monobob competition at the Lausanne 2020 Winter Youth Olympic Games (YOG) in St. Moritz, Switzerland, Jan. 20, 2020.

Renars Grantins of Latvia competes during the men's monobob competition at the Lausanne 2020 Winter Youth Olympic Games (YOG) in St. Moritz, Switzerland, Jan. 20, 2020.

Oskar Langowski of Poland competes during the men's monobob competition at the Lausanne 2020 Winter Youth Olympic Games (YOG) in St. Moritz, Switzerland, Jan. 20, 2020.

Martin Svitak of Slovakia competes during the men's monobob competition at the Lausanne 2020 Winter Youth Olympic Games (YOG) in St. Moritz, Switzerland, Jan. 20, 2020.

Quentin Sanzo of Liechtenstein competes during the men's monobob competition at the Lausanne 2020 Winter Youth Olympic Games (YOG) in St. Moritz, Switzerland, Jan. 20, 2020.

Yodli, mascot of Lausanne 2020 is seen after the men's monobob competition at the Lausanne 2020 Winter Youth Olympic Games (YOG) in St. Moritz, Switzerland, Jan. 20, 2020.