Image of Los Millares prehistoric settlement, Almeria, Andalusia, Spain, Europe

Carvings on stone, New Grange (Newgrange) site, County Meath, Leinster, Eire (Ireland), Europe

Bronze age copper mines on the Great Orme, Llandudno, North Wales, United Kingdom, Europe

Praying figures, Etruscan rock drawing, copper age, Naquane, Val Camonica, UNESCO World Heritage Site Val Camonica, Lombardy, Italy, Europe

Interior Work Area At Los Millares, Almeria, Andalusia, Spain