Tales of the most mysterious cities in world history still makes the public shock due to their intricate roots as well as inexplicable events of construction. Have you ever wondered the true reasons why the ancients constructed the underground masterpieces? Was it for money, power, spirituality, or self-defend? The undercover cities have been exceptionally famous for their special structures and unique meanings for decades. In addition, they are also stereotyped as the haunted places where ghosts appear regularly. What do you think? Anyway, it is very rare to find the ancient underground cities of the world. Hence, the restless fascination with them still persists in the modern time. … [Read more...]