breathtaking summer view of a vibrant crater lake at krafla, iceland, highlighting crystal clear waters and unique geology

krafla iceland crater lake clear water lava rocks colorful moss nature geology travel tourism landscape scenic natural beauty vibrant turquoise mountains rugged terrain outdoors summer icelandic tranquil serene destination ecotourism adventure exploration nordic north atlantic volcanic geological site freshwater remote untouched pristine hiking environment wilderness peaceful cloudy sky breathtaking view highlighting crystal waters unique 39aph39 surrounded rock formations rich