In 1818, John Cleves Symmes, Jr. Should you have any kind of inquiries regarding exactly where as well as tips on how to make use of hbot reverse aging, you'll be able to call us from the web page. instructed that the Earth consisted of a hollow shell about 1,300 km (810 mi) thick, with openings about 2,300 km (1,400 mi) throughout at each poles with four in...