A fishing boat is drifting through the floating ice in Haimiao Port, Yantai city, east China's Shandong Province, on January 9, 2019. (Photos: VCG)

This photo taken on April 8, 2015, shows the unusual phenomenon of incredible gemstone-like turquoise ice gleaming on Lake Baikal.

This photo taken on May 29, 2013 shows beautiful patterns of frozen bubbles, which are made by highly flammable methane gas, trapped in a Canadian lake.

A visitor is enjoying the splendid icefall in Qingyang city, northwest China's Gansu Province, on January 12, 2019.

This photo taken on December 11, 2015, shows a brilliant blue wonderland of a crystal ice cave in one of the world's biggest glaciers. Only accessible in the winter months, the underground cavern in southeast Iceland holds ice which formed more than 1,000 years ago.

A massive ice disc formed on the surface of the Presumpscot River in Westbrook, Maine, US, January 14, 2019.

This photo taken on January 8, 2015, shows ice engulfing a red lighthouse as a fierce winter storm grips South Haven, Michigan. The pier is transformed into a slippery, white wonderland.

Winter sunlight floods into dangerous ice-coated caves, turning the walls gold and blue on May 2, 2018. In stormy winters at Lake Baikal, water coats the insides of the caves on the lake's rocky shores, freezing into ice stalactites which hang from the ceilings.