Polar bear plunge, Icy Plunge. 北極熊跳/ 冬泳, 跳進冰水

People participate in the annual Polar Bear Plunge in Coney Island in the Brooklyn Borough of New York City, Jan. 1, 2017. (Photo: Stephanie Keith/Reuters)

People participate in the annual Polar Bear Plunge in Coney Island in the Brooklyn Borough of New York City, Jan. 1, 2017. (Photo: Stephanie Keith/Reuters)

Polar bear plunge

https://www.yahoo.com/news/polar-bear-plunge-slideshow-wp-211231259.html

Polar bear plunge - Wikipedia

embers of the Ice Swimming Club “Icicle” jump into the ice cold water during the traditional New Year's Day plunge in municipal swimming zone in former gravel pit in Rzeszow, Poland, 01 January 2017. (Photo by Darek Delmanowicz/EPA)

Costumed people get out of the North Sea during the Nieuwjaarsduik (New Year's Dive) on New Year's Day in Scheveningen, the Netherlands, 01 January 2017. (Photo by Bart Maat/EPA)

Swimmers in fancy costume take part in the New Year's Day swim at Saundersfoot in Wales, Britain, January 1, 2017. (Photo by Rebecca Naden/Reuters)

Swimmers Start New Year with Icy Plunges
http://avax.news/fact/Swimmers_Start_New_Year_with_Icy_Plunges.html