floating icebergs melting in fjallsarlon glacier lake, iceland

arctic beautiful blue change climate cold drifting environment fjallsarlon fjallsjokull floating frost frozen glacial glacier glaciers global ice iceberg icebergs iceland icelandic island jokulsarlon lagoon lake landscape majestic melting mountain nature north outdoor park polar scenery scenic skaftafell snow surface tourism travel trekking trip vatnajokull warming water white wilderness winter