Stone mason at Temple of Karnak, Egypt, North Africa

Restoration work at the Inca ruins of Machu Picchu, UNESCO World Heritage Site, Peru, South America

Restoration work at the Inca ruins of Machu Picchu, UNESCO World Heritage Site, Peru, South America

Neolithic archaeological site of Karahan Tepe, circular stone structure with T Shape pillars, Sanliurfa, Turkey, Asia Minor, Asia

Archaeologists at work, Chichen Itza, UNESCO World Heritage Site, Yucatan, Mexico, North America

Workers maintaining stonework Eagles and Jaguars platform, Mayan ruins, Chichen Itza, UNESCO World Heritage Site, Yucatan, Mexico, North America

Workers maintaining stonework at The Nunnery (Edificio de las Monjas), Mayan ruins, Chichen Itza, UNESCO World Heritage Site, Yucatan, Mexico, North America

Craftsman using chisel on stone, Fez, Morocco, North Africa, Africa

Caucasian boy sitting on ground smashing rocks with hammer

arbore tribe in Ethiopia

Preparing natural cacao drink at Bribri tribe house, A day with the Bribri, indigenous people in Lim?n Province of Costa Rica,

Kathiana helps prepare natural cacao drink at Bribri tribe house, A day with the Bribri, indigenous people in Lim?n Province of Costa Rica,

Production of natural colour, dye, Oaxaca, Mexico

Young stonemason, Siem Reap, Cambodia, Indochina, Southeast Asia, Asia

Classic dish of Spain, seafood paella in traditional pan on blue stone background top view. Spanish paella with shrimps, clamps, mussels, green peas and fresh lemon wedges from above, space for text

Prehistoric arrowheads in a cave, Uyuni Highlands, Bolivia

Prehistoric weapons and tools in a cave, Uyuni Highlands, Bolivia

Old Stone Age tool

Old Stone Age tools

Ax from the young stone age

Three flint axes from the stone age

Old Stone Age tool

Hot stones are filled into the body with tongs, traditional cooking of a goat with hot stones in its belly, Mongolian cooking method Boodog, Toew-Aimag, Mongolia, Asia

A gold miner works in a shaft using hand tools in Sudan.

Old garden tools leaning up against a weathered stone wall, Open Air Museum, England

Machu Picchu a stone in the quarry area shows how stone was cut with primitive tools using wood wedges that expand with water, Highlands, Peru