
A colorful ice castle is seen during the International Ice and Snow Festival in Harbin, China, Jan. 6, 2016.
Dave Randin/Anadolu Agency/Getty Images

Newly-wed couples attend their group wedding ceremony which was held as part of the International Ice and Snow Festival in Harbin, China, Jan. 6, 2016.
Aly Song/Reuters

Night view of ice sculptures during the 32nd Harbin International Ice and Snow Festival in Harbin, China, Jan. 5, 2016.
In China's coolest annual tradition, Harbin has been transformed once again, for the 32nd time, into a magical winter wonderland for the world-famous International Ice and Snow Festival. The event opened to the public on Tuesday (5 January 2016) and will run until the end of February.
Ma chengjun/Imaginechina/AP Photo

A horse made of ice is on display during the 32nd Harbin International Ice and Snow Festival in Harbin , China, Jan. 5, 2016.
In China's coolest annual tradition, Harbin has been transformed once again, for the 32nd time, into a magical winter wonderland for the world-famous International Ice and Snow Festival. The event opened to the public on Tuesday (5 January 2016) and will run until the end of February.
Ma chengjun/Imaginechina/AP Photo

The 32nd annual Ice and Snow Festival begins in Harbin, China, Jan. 5, 2016.
Kyodo/AP Photo

Ice sculptures are illuminated by lights on the opening day of the Harbin International Ice and Snow Festival in Harbin, China, Jan. 5, 2016.
Aly Song/Reuters

People visit ice sculptures on the opening day of the Harbin International Ice and Snow Festival in Harbin, China, Jan. 5, 2016.
Aly Song/Reuters

People visit snow sculptures at the 32nd Harbin International Ice and Snow Festival in Harbin, China on Jan. 5 2016. The festival is open from Jan. 5 till Feb. 5, 2016, and is aimed at attracting both foreign and local visitors to experience the beauty of the ice and snow.
Wu Hong/EPA

Visitors walk in front of a massive snow castle sculpture at the Harbin International Ice and Snow Festival held in the city of Harbin, located in China's northern Heilongjiang province, Jan. 5, 2016.
Wu Hong/EPA

People visit snow and ice sculptures at the Harbin International Ice and Snow Festival in Harbin, China on Jan. 5, 2016.
Wu Hong/EPA

Entertainers in cartoon character costumes perform a dance in front of a snow sculpture at the Harbin International Ice and Snow Festival, in Harbin, China on Jan. 5, 2016.
Wu Hong/EPA

Visitors take a selfie in front of a snow sculpture at the Harbin International Ice and Snow Festival, in Harbin, China, Jan. 5, 2016.
Wu Hong/EPA

Visitors view the ice sculptures at Harbin Ice and Snow Festival in Harbin City, China, Jan. 4, 2016.
Wu Hong/EPA

A family drives a sleigh on the frozen Songhua River beside the Harbin International Ice and Snow Festival in Harbin, China, Jan. 3, 2016.
Wang Zhou/Getty Images

A general view showing large ice sculptures at Harbin Ice and Snow Festival, one day before the opening in Harbin City, China, Jan. 4, 2016.
Wu Hong/EPA

People dress up in animal costumes at the Harbin International Ice and Snow Sculpture Festival, Jan. 1, 2016, in Harbin, China.
Tao Zhang/NurPhoto/Sipa USA/AP Photo

Vendors selling candied haws wait for customers at the Harbin Ice and Snow Festival in Harbin, China, Jan. 4, 2016.
Wang Zhao/AFP/Getty Images

A man takes a photo in front of ice sculptures at the Harbin Ice and Snow Festival in Harbin, China, Jan. 4, 2016.
Wang Zhou/AFP/Getty Images

A woman rides a sleigh before the opening ceremony of the Harbin International Ice and Snow Festival in Harbin, China on Jan. 4, 2016.
Wang Zhou/AFP/Getty Images

Tourists visit the Harbin International Ice and Snow Sculpture Festival, Jan. 1, 2016, in Harbin, China.
Tao Zhang/NurPhoto/Sipa USA/AP Photo

A worker polishes an ice sculpture ahead of the Harbin International Ice and Snow Festival in Harbin, China, Jan. 4, 2016.
Aly Song/Reuters

People wait in line at the Harbin Ice and Snow Festival in Harbin, China, Jan. 4, 2016. Over one million visitors are expected to attend the festival.
Wang Zhao/AFP/Getty Images

Workers polish an ice sculpture while preparing for the Harbin International Ice and Snow Festival in Harbin, China, Jan. 4, 2016.
Aly Song/Reuters

A vendor yawns as he waits for customers on the frozen Songhua River beside the Harbin International Ice and Snow Festival in Harbin, China, Jan. 3, 2016.
Wang Zhou/AFP/Getty Images

A horse stands in front of ice sculptures at the Harbin International Ice and Snow Festival in Harbin, China, Jan. 4, 2016.
Aly Song/Reuters

A worker polishes an ice sculpture ahead of the Harbin International Ice and Snow Festival in Harbin, China, Jan 4, 2016.
Aly Song/Reuters