Mesmerising Pic Of Rare Wave Clouds Stuns Sky-Watchers

The rare wave-shaped clouds, known as Kelvin-Helmholtz instability waves were spotted and photographed by Rachel Gordon, who later shared the picture on Facebook.

source https://www.ndtv.com/world-news/mesmerising-pic-of-rare-wave-clouds-stuns-sky-watchers-3604890