Tourists visit the "Window Flower Dream" exhibition area in Harbin Ice and Snow Art Center, Heilongjiang Province, May 11, 2021. (Photos: China News Service)

Tourists visit the photo exhibition of ice sculpture art works in the exhibition hall in Harbin Ice and Snow Art Center, Heilongjiang Province, May 11, 2021.

Visitors look at a jade dragon carving and a shaman drum at the exhibition area of "Ice and Snow Culture" in Harbin Ice and Snow Art Center in Harbin, Heilongjiang Province, May 11, 2021.

Tourists visit the "Ice and Snow Culture" exhibition area in Harbin Ice and Snow Art Center, Heilongjiang Province, May 11, 2021.

Tourists visit the “Snow Cave Dwellings” in Harbin Ice and Snow Art Center, Heilongjiang Province, May 11, 2021.