Fjallsárlón glacier lagoon.

Fjallsárlón (Icelandic pronunciation: ​[ˈfjalsˌaurˌlouːn]) is a glacier lake at the south end of the Icelandic glacier Vatnajökull. Fjallsjökull which is part of the bigger glacier reaches down to the water of the lake and some ice-bergs are drifting by on its surface