Utroba Cave

Utroba Cave, Bulgaria. Cave in the Rhodope mountains, Bulgaria, carved by hand more than 3000 years ago (?), it was rediscovered in 2001. Archeologists hypothesize that an altar built at the end of the cave, which is about 22 m deep, represents either the cervix or the uterus.

Read more: https://news156media.com/the-utroba-womb-cave-in-bulgaria-was-likely-a-thracian-ritual-site/