I know precious little about hot air ballooning. Sure, you put a load-bearing basket under an envelope of hot air and things go up, up, up. But the actual mechanics of piloting a balloon? I’m clueless. The glow was the closest I’ve been to balloons and I was struck with the size of the flame used to heat the air. Not that it seams unreasonable — just that it seems a bit precarious. I don’t recall ever hearing about a balloon burning to the ground but how difficult could it be? Is the bottom ring of the balloon made of asbestos?