An aerial drone photo shows the view of the Harbin Ice-Snow World in Harbin, northeast China's Heilongjiang Province, on Jan. 12, 2025. A flash mob took place here on Sunday to cheer on the upcoming 9th Asian Winter Games. (Xinhua/Zhang Tao)

　　A violinist and children perform a flash mob at the Harbin Ice-Snow World in Harbin, northeast China's Heilongjiang Province, on Jan. 12, 2025. The flash mob took place here on Sunday to cheer on the upcoming 9th Asian Winter Games. (Xinhua/Zhang Tao)

　　A violinist and children perform a flash mob at the Harbin Ice-Snow World in Harbin, northeast China's Heilongjiang Province, on Jan. 12, 2025. The flash mob took place here on Sunday to cheer on the upcoming 9th Asian Winter Games. (Xinhua/Zhang Tao)

　　A violinist and children perform a flash mob at the Harbin Ice-Snow World in Harbin, northeast China's Heilongjiang Province, on Jan. 12, 2025. The flash mob took place here on Sunday to cheer on the upcoming 9th Asian Winter Games. (Xinhua/Zhang Tao)