New Delhi, April 8 -- In a major archaeological discovery, experts have found a massive 3-room royal tomb. It was hidden 7 metres underground at Abydos in Egypt. It was found under an ancient necropolis, also called the "city of the dead". However, no one knows whom it belonged to.

Revealed by the Penn Museum and led by Egyptologist Josef Wegner, this large limestone structure is believed to be from the forgotten Abydos Dynasty. It dates back over 3,600 years.

"It's a very sort of mysterious, enigmatic dynasty that seems to have basically been sort of forgotten from the ancient records of Egypt because it was in this period of political decay and fragmentation," CNN quoted Wegner as saying.

What makes this finding unique is that, while...