St. Ninian Isle sand tombolo, connecting St. Ninian to Mainland, South Mainland, Shetland Islands, Scotland, United Kingdom, Europe

travel isthmus sand bars travel destinations color image photography contemporary day outdoors horizontal landscape landscapes scenics coast coasts coastal features beach beaches sand sandy tombolo st ninian's isle st ninian mainland south mainland shetland islands scotland great britain united kingdom europe nature natural world physical geography surface processes geology tombolos