purple snow?

http://rt.com/prime-time/2010-03-09/southern-russia-pink-snow.html


Southern Russia overwhelmed with purple snow

Published 09 March, 2010, 22:43

Edited 10 March, 2010, 21:43

The very morning following the widely celebrated Woman's Day - people in Southern Russia could not believe their eyes when they found purple snow piled on city streets.

Scientists confirmed a multi-coloured snowfall – ranging from light purple to brown – had landed in Russia's Stavropol Region.

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http://rt.com/prime-time/2010-03-09/southern-russia-pink-snow.html?fullstory