The Euphrates Tunnel was allegedly a 929 meter long tunnel built to connect the two halves of the city of Babylon; archaeologists believe it was built between 2180 and 2160 BCE.
The Euphrates Tunnel was allegedly a long tunnel built by Queen Semiramis to connect the two halves of the city of Babylon, in the old Mesopotamia. Archaeologists believe it was built between 2180 and 2160 BCE.