Melting glacier due to global warming with icebergs drifting on its surface, Mountains under an overcast sky in the background, Iceland, Slow motion drone shot

aerial arctic glacier iceberg lagoon lake climate change global warming snowcapped greenhouse gas melting blue vatnajokull national park ice iceland landscape water winter icelandic mountain travel climate crystal environment europe extreme frozen volcano alpine alps beach black sand clean europa ravine scandinavia summer peak national park protected sustainability shards concept collapse highlands mirrored reflection overcast tourists