Sinkholes Jun 28, 2005 0:44:18 GMT -5 Quote Select PostDeselect PostLink to PostBack to Top Post by haku on Jun 28, 2005 0:44:18 GMT -5 Sinkholes ranging from a few feet to dozens of kilometers deep cover the planet. Many are so wide cities are made in them as they were made by the natives, escaping predators on the surface.
