Cumulus clouds above a lake on a chilly pre-spring day in Sweden. Picture taken on April 5, 2008, near Gränna at lake Vättern, Sweden. ( Purposely taken with low exposure time, no filters used.)

Cumulus clouds above a lake on a chilly pre-spring day in Sweden. Picture taken on April 5, 2008, near Gränna at lake Vättern, Sweden. ( Purposely taken with low exposure time, no filters used.)