David Locklear said: >http://www.speleomag.com/index0.html >Did they really fly a full-size hot-air balloon in a cave? Why?
That link does not work for me. The page starts to load, but then fails.
I tried it on two different computers on two different days. Maybe the site
is down temporarily. Does anyone have a link to the hot air balloon part?
Thanks!
Mark Minton
