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La Victoire de Samothrace, Unknown, 190 BC

Silbury Hill - The artificial mound


2400 BC

At 40m, Silbury Hill is the tallest artificial mound in Europe!

It consists of a ring of boulders, with layers of chalk and clay alternating all the way to the top.

It’s estimated it would have taken 500 men 15 years to build.

The area would have first needed to be deforested using polished axes.

Then boulders would have had to be cut out from a quarry and dragged all the way to the site.

Then 250,000 cubic meters of chalk and clay would have had to be poured onto it in layers all the way to the top.

Nobody knows what it was for. There doesn't seem to be any other example of it anywhere else!