Galerija pārpubpicēta no Snow and Ice Pattern Photos, Snowflake Pictures, Gallery, Wallpaper –- National Geographic http://on.natgeo.com/w9IzyZ
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Dendrite Snowflake
Photograph by Kenneth Libbrecht
Dendrite snowflakes first occur when the temperature hovers between 30 degrees Fahrenheit (-1 degree Celsius) and 27 degrees Fahrenheit (-3 degrees Celsius).