Travel deep underground into a defunct salt mine of the Transylvania region in Romania to find this bizarre, futuristic amusement parkpic.twitter.com/7Ou7gXdKNJ

Travel deep underground into a defunct salt mine of the Transylvania region in Romania to find this bizarre, futuristic amusement park pic.twitter.com/7Ou7gXdKNJ

https://twitter.com/NatGeoTravel/status/969376982436900865