Lichen on rocks, Broch of Mousa. Mousa Island, Shetland Island, Scotland, United Kingdom, Europe

Mousa Broch, best preserved of all brochs, standing 12-13 m high, in perfect state, due to its isolation, Mousa Island, Shetland Islands, Scotland, United Kingdom, Europe

Hollow walls and water tank, Mousa Broch, best preserved of all brochs, standing 12-13 m high, in perfect state, due to its isolation, Mousa Island, Shetland Islands, Scotland, United Kingdom, Europe

Mousa Broch, best preserved of all brochs, standing 12-13 m high, in perfect state, due to its isolation, Mousa Island, Shetland Islands, Scotland, United Kingdom, Europe