winter, snowflakes, Frost Blue , icicle .( Winter , Schneeflocken, Frostblau , Eiszapfen . ) 冬天， 雪花， 藍霜 ， 冰柱 。

DPA

(Philippe Huguen/AFP/Getty Images)#

USRA/ Trent LaCour

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DPA

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USRA/ Patrick Wiggins

USRA/ The Schwerdtfeger Library

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USRA/ John Fegyveresi
Faszination Winter: Grazile Flocken, große Sprengkraft, blaue Stunde - SPIEGEL ONLINE - Nachrichten - Wissenschaft http://www.spiegel.de/fotostrecke/fotostrecke-78230.html

(Visar Kryeziu/Associated Press) #
Extreme cold weather hits Europe - The Big Picture - Boston.com
http://www.boston.com/bigpicture/2012/02/extreme_cold_weather_hits_euro.html

Michael Reichel / EPA
PhotoBlog - Severe cold continues in Europe
http://photoblog.msnbc.msn.com/_news/2012/02/05/10322981-severe-cold-continues-in-europe

Uwe Meinhold / AP

Patrick Pleul / EPA

Christof Stache / AFP - Getty Images

PhotoBlog - A frozen waterfall and other surreal photos from an iced-over Germany

http://photoblog.msnbc.msn.com/_news/2012/02/07/10341356-a-frozen-waterfall-and-other-surreal-photos-from-an-iced-over-germany