Volcanic black and blue icebergs on the shores of Jokulsarlon glacial lagoon

blue icebergs volcanic black shores jokulsarlon glacial lagoon ice chunks floating glacial lagoon polar expedition ice blocks volcanic melted icebergs extreme conditions ice chunks sea water bay lake glacier rescue team antarctica nordic remote icelandic travel tourism scenic nature landscape iceland environment global warming vacation lifestyle landmark freeze frozen arctic adventure winter vatnajokull sublime below 0 dramatic breathtaking embarkation professional cold waters cloudy hope for future epic scenery blue bay panning shot unseen