With the 18th century, men and women have been inflating balloons of cloth or canvas with hot air and sending it aloft, the Montgolfier brothers likely as far as to experiment with 1st animals in 1782, then, when altitude did not kill them, human beings in 1783. Occur sapere chi https://balloon-arch-frame98653.develop-blog.com/44054950/ballon-arch-no-further-a-mystery