Aerial shot of Kudafljot glacial river flowing over black volcanic soil, Iceland, August 2018.

Aerial shot of Kudafljot glacial river flowing over black volcanic soil, Iceland, August 2018.

Aerial shot of Kudafljot glacial river flowing over black volcanic soil, Iceland, August 2018. ©Milan Radisics/naturepl.com https://www.naturepl.com/stock-video/...