Saw TV show on Stonehenge. A group of students dragged a stone from the quarry location (as was believed when the show was made) and about 20 people got it don

Saw TV show on Stonehenge. A group of students dragged a stone from the quarry location (as was believed when the show was made) and about 20 people got it done in about two weeks. There is a tendency to underestimate what can be done by human labor.