riggu: Askja - a caldera created after a huge eruption 1875, Iceland, photography by Jan Drahokoupil
riggu: Askja - a caldera created after a huge eruption 1875, Iceland, photography by Jan Drahokoupil -- source link
riggu: Askja - a caldera created after a huge eruption 1875, Iceland, photography by Jan Drahokoupil -- source link