sun and back yard barbecues topped off by fireworks in the sky. but behind that display lie powerful and dangerous explosives. and when fireworks go wrong, the results can be terrifying. july 4, 2007, port ritchey, florida. a roadside fireworks stand erupts in flames when one of the explosives is set off inside the tent. cameraman bryan pharafai fair r captures the mayhem. >> the fireworks were shooting across the roadway. >> i got concerned for my safety, so i went and parked a little bit further away from where the explosions were going off. and it looked just like a fireworks display you see at a