Archaeology is one of the most important studies that sheds light on our past. But what if the past is not what we think it is?
Unexplained Planet collected some unexpected discoveries that surprised historians very much.
13. Central heating in the Minoan Palace, 2700-1400 BC
An unexpected discovery was made in Knossos, in the ruins of the palace. The ancient Minoan civilization heated the palace using special cylindrical constructions with semicircular roofs. They were placed under the floor and heated with fire, warming the entire palace.