panic at a rock concert, the dramatic video as a violent storm contributes to the collapse of the main stage. let's go to patti ann at the web wall for today's must-see moment. >> reporter: we have three hot videos today for you to choose which one you would like to hear more about. if you go to foxnews.com and click on the "happening now" tab you'll get our page and here is the three stories, the first one is called br u.n. ning. it means backwards running. you can see them backing up from the starting line. it's pretty funny. some of you interested in our second choice, which is the red bull flood tag this also in the united kingdom. thousands of people creating homemade flying machines and they held this big contest over the weekend to see whose homemade aircraft could fly the furthest. so far your number one choice is our last story, it's called carmageddon. it was a contest to see who could make it from los angeles, california, to long beach, california, faster, a bunch of cyclists or people flying on a