The limestone burial chamber, about 23 feet underground, dates back around 3,600 years to a period of unrest known as the Second Intermediate Period. The tomb was found at the Anubis Mountain necropolis by experts from the University of Pennsylvania Museum and Egyptian archaeologists.

An international team of archeologists have discovered a massive tomb that belonged to one of ancient Egypt ’s earliest pharaohs. However, the ruler’s identity remains a mystery—as do many details of his long-lost dynasty.

A 2014 excavation proved the Abydos Dynasty existed. Now, Archaeologists have found a second tomb, but the king's identity remains unknown.