Frost coats the circular stone perimeter wall of the Bronze Age settlement of Grimspound in Dartmoor National Park, Devon, England, United Kingdom, Europe

Snow covered rocky moorland landscape overlooking the Bronze Age walled settlement of Grimspound, Dartmoor National Park, Devon, England, United Kingdom, Europe

Bronze Age walled settlement of Grimspound, isolated in a snow covered moorland wilderness, viewed from Hookney Tor overlook, Dartmoor National Park, Devon, England, United Kingdom, Europe

Snow covered stone hut circles in Bronze Age settlement of Grimspound in Dartmoor National Park, Devon, England, United Kingdom, Europe

Snow covered stone hut circles in Bronze Age settlement of Grimspound in Dartmoor National Park, Devon, England, United Kingdom, Europe

Snow dusted Bronze Age settlement of Grimspound from Hookney Tor, Dartmoor, Devon, England, United Kingdom, Europe

A foggy and frosty morning at the gates of megalithic Grimspound in winter, Dartmoor National Park, Devon, England, United Kingdom, Europe

Grimspound Bronze Age settlement remains on a frosty winter dawn, Dartmoor National Park, Devon, England, United Kingdom, Europe

Shida Kartli, monastery at Bronze Age settlement of Uplistsikhe, ancient cave city, near Gori, Georgia, Caucasus, Central Asia, Asia

Shida Kartli, monastery at Bronze Age settlement of Uplistsikhe, ancient cave city, near Gori, Georgia, Caucasus, Central Asia, Asia

Shida Kartli, monastery at Bronze Age settlement of Uplistsikhe, ancient cave city, near Gori, Georgia, Caucasus, Central Asia, Asia

Shida Kartli, monastery at Bronze Age settlement of Uplistsikhe, ancient cave city, near Gori, Georgia, Caucasus, Central Asia, Asia

Open-air museum Heuneburg, reconstruction of a celtic settlement, Herbertingen-Hundersingen, Riedlingen, Upper Schwabia, Baden-Wuerttemberg, Germany, Europe

Vases, Agia Triada archaeological site, Crete, Greece, Europe