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

View of the interior of Mousa Broch on Mousa Island in Shetland, Scotland, United Kingdom

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