Listoghil, located in the region called Carrowmore in Ireland, is a giant monument consisting of ancient tombs from the prehistoric period.
This ancient passage, estimated to have been built in 3550 BC, is located 3 km from the town of Sligo, 59 meters above sea level.
If you ever have the chance to visit Ireland, you should definitely see the ancient finds that are spread all around Listoghil.
