Abandoned salt mine in Romania (Transylvania) – Turda Salt Mine is so big that the bus could drive through its galleries and a 10 storey building could be built in some of its rooms.
Kowloon Walled City is the most weird city district in the Earth history. Resided in Hong Kong for almost two centuries it was the most populated spot on our planet. Also being almost independent from Hong Kong government and police it was one of the most criminal and dirty. Continue reading Kowloon Walled City