Results 5 results found Calm purple evening light, of blue hour, deep blue Lake Mashu in a crater, Akan Mashu National Park, Hokkaido, Japan, Asia The caldera of Lake Mashu, Akan National Park, Hokkaido, Japan, Asia The caldera of Lake Mashu, Akan National Park, Hokkaido, Japan, Asia The caldera of Lake Mashu, Akan National Park, Hokkaido, Japan, Asia The caldera of Lake Mashu, Akan National Park, Hokkaido, Japan, Asia