It's hard enough to cross a slack line between two trees that aren't going…This entry was posted in Uncategorized on February 8, 2014 by Sam Abuelsamid (updated 3934 days ago) It's hard enough to cross a slack line between two trees that aren't going anywhere, can it be done between a pair of hot air balloons?? View this post on Google+ Share this:FacebookTwitterLinkedInPocketPrintEmailLike this:Like Loading... Related