Huge monoliths, weighing 25 tons, were dragged 240 km (150 miles) to the site a few hundred years later.
You have to marvel at the determination of prehistoric man when you look at Stonehenge. Construction started about 3000 BC on what was originally burial grounds. Huge monoliths, weighing 25 tons, were dragged 240 km (150 miles) to the site a few hundred years later.