Royal necropolis of Byblos
The royal necropolis of Byblos is a group of nine Bronze Age underground shaft and chamber tombs housing the sarcophagi of several kings of the city. Byblos (modern Jbeil) is a coastal city in Lebanon, and one of the oldest continuously populated cities in the world.
Source: Wikipedia — Royal necropolis of Byblos (CC BY-SA 4.0)