Post by xitlali on Mar 8, 2008 18:08:04 GMT -5
Take a look at this link. There have been cities discovered under the ground where people lived over 3000 years ago. They went down as far as 3 miles underground and had their own kitchens, microbreweries, and even a communication shaft to talk to people on all levels.
bldgblog.blogspot.com/2007/08/derinkuyu-or-allure-of-underground-city.html
bldgblog.blogspot.com/2007/08/derinkuyu-or-allure-of-underground-city.html