Guide pointing at cave paintings in Lass Geel caves, Somaliland, Somalia, Africa
Knowth, neolithic passage grave, UNESCO World Heritage Site, prehistoric Bru na Boinne, Valley of the River Boyne, County Meath, Leinster, Republic of Ireland, Europe
Hagar Qim megalithic temple, Unesco World Heritage Site, Malta
Megalithic temple of Mnajdra, Unesco World Heritage Site, Malta
Megalithic temple of Mnajdra, Unesco World Heritage Site, Malta
Mnajdra megalithic temple, Unesco World Heritage Site, Malta
Megalithic temple of Mnajdra, Unesco World Heritage Site, Malta
Megalithic temple of Mnajdra, Unesco World Heritage Site, Malta
Megalithic temple of Mnajdra, Unesco World Heritage Site, Malta
