STEPHEN BURT / SCIENCE PHOTO LIBRARY STEPHEN BURT / SCIENCE PHOTO LIBRARY
Timelapse of cirrostratus nebulosus clouds forming, dissipating and moving across the sky in the late afternoon in spring over trees in Berkshire, UK. Later in the clip, an optical phenomenon called a halo is seen around the Sun. Filmed from 16:25 to 17:10 (40 minutes) on 30 March 2016.
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