Aerial view of glacial rivers, river delta, black volcanic sand in south Iceland, a green plain and a mountain in the distance, cloudy day, estuary, gorgeous place, wilderness, watercourse

aerial view of iceland iceland iceland rivers glacial rivers glacial rivers iceland green plain glacial rivers on green plain ice floe watercourse estuary raging rivers awesome rivers water cloudy day rivers of iceland beautiful landscape river delta black volcanic sand south iceland braided river over the iceland rivers glacial river system glacial meltwater black sand icelandic river veins