A rat runs across a sidewalk in the snow in the Manhattan borough of New York City, New York, U.S., December 2, 2019.

A tourist takes a picture of the wall covered by love messages in Via Cappello 23, which is today known as Juliet's House, in Verona, Italy, December 3, 2019.

Rosie Swale Pope, 73 year old charity runner, gives a coffee break in her cart as she runs through Istanbul as part of her solo running from London to Katmandu in Istanbul, Turkey, December 5, 2019.

A diver dressed as Santa Claus performs during a promotional event for Christmas in Seoul, South Korea, December 4, 2019.

Participants pose for a picture inside a barrel with hot water after competing in the 5th Tyumen Open Cup winter swimming contest in the Siberian city of Tyumen, Russia December 5, 2019.

People gather next to the colorful Christmas tree made by re-used plastic containers in Viimsi, Estonia December 1, 2019.

A Palestinian man carries a lion cub as he shows it to children in Rafah refugee camp in the southern Gaza Strip December 4, 2019.

Cartoon sets are seen at an exhibition 'Wrapped in plastic' in Kiev, Ukraine November 26, 2019.

A soldier from the Chinese People's Liberation Army (PLA) jumps through a ring of fire during a military exercise in Shihezi, Xinjiang Uighur Autonomous Region, China December 3, 2019. Picture taken December 3, 2019. REUTERS/Stringer

A stuntman performs on the well of death during the "Gadhimai Mela" festival at Bariyarpur in Nepal December 4, 2019.

A participant wearing a traditional Krampus costume and a mask performs during a Krampus run in the village of Biberwier, Austria November 30, 2019.

Art object "Money throne x10", a glass throne filled with $1 million, created by Russian artist Alexey Sergienko and entrepreneur Igor Rybakov, is seen during a presentation in Moscow Russia November 29, 2019.

An enthusiast of winter swimming takes a dip in icy water, with buildings of Chinese border city Heihe seen in the background across the frozen Amur River in Blagoveshchensk, in Amur region, Russia, December 1, 2019.

A woman takes a dip in icy water, with the buildings of Chinese border city Heihe seen in the background across the frozen Amur River, in Blagoveshchensk, in Amur region, Russia, December 1, 2019.