China’s Snow and Ice Festival

People walk on the ice stairs at the Harbin Snow and Ice Festival in Harbin, China, on Jan. 5, 2017.

A reindeer is seen among the ice sculptures at the Harbin Snow and Ice Festival in Harbin, China, on Jan. 4, 2017.

Visitors gaze at an ice sculpture at the Harbin Snow and Ice Festival in Harbin, China, on Jan. 5, 2017.

People walk among the illuminated ice sculptures at the Harbin Snow and Ice Festival in Harbin, China, on Jan. 4, 2017.

A woman takes a photo as she visits ice sculptures at the Harbin Snow and Ice Festival in Harbin, China, on Jan. 5, 2017.

An aerial view shows the massive ice sculptures of the Harbin Snow and Ice Festival in Harbin, China, on Dec. 21, 2016.

A child plays next to a snow sculpture at the Harbin Snow and Ice Festival, in Harbin, China, on Jan. 5, 2017.

Fireworks explode over the ice sculptures at the Harbin Snow and Ice Festival in Harbin, China, on Jan. 5, 2017.

People scale the ice sculptures at the 18th Harbin Snow and Ice Festival in Harbin, China, on Dec. 21, 2016.

An aerial view shows people walking among the ice sculptures at the 18th Harbin Snow and Ice Festival in Harbin, China, on Dec. 21, 2016.

Visitors play on a slide on a castle-like structure made from blocks of ice at the Harbin Snow and Ice Festival in Harbin, China, on Jan. 5, 2017.

People play near a snow sculpture at the Harbin Snow and Ice Festival in Harbin, China, on Jan. 5, 2017.

Visitors are dwarfed by a snow sculpture at the Harbin Snow and Ice Festival, in Harbin, China, on Jan. 5, 2017.

People visit illuminated ice sculptures at the Harbin Snow and Ice Festival on Jan. 4, 2017.

People visit ice sculptures during the Harbin Snow and Ice Festival to celebrate the new year in Harbin, China, on Jan. 4, 2017.

People visit ice sculptures illuminated by colored lights at the Harbin Snow and Ice Festival in Harbin, China, on Jan. 4, 2017.

People visit ice sculptures at the Harbin Snow and Ice Festival in Harbin, China, on Jan. 4, 2017.

People climb the ice sculptures at the Harbin Snow and Ice Festival in Harbin, China, on Jan. 4, 2017.

People tour the large-scale ice sculptures at the 18th Harbin Snow and Ice Festival in Harbin city, China, on Dec. 21, 2016.

An aerial view shows the massive ice sculptures of the Harbin Snow and Ice Festival in Harbin, China, on Dec. 21, 2016.