Largest Structure On Earth Is 4,000 Years Old, Visible From Space, And Wasn’t Built by Humans

It’s not aliens either. But it is as close as it can get. The largest structures on Earth, covering an area the size of Great Britain–are up to about 4,000 years old. Furthermore, the amount of soil excavated to build the structures averages over 10 cubic kilometers, which is equivalent to just about 4,000 great pyramids of Giza. The mysterious mounds were not built by human hands, but rather by termites. According to… Seguir leyendo