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Log flume rolled backwards down a hill and flipped over. how does that happen? >> that's not supposed to happen. there's mechanisms in place that are supposed to prevent roll back, an anti-roll back system. it's not supposed to happen. >> especially the trapped under water part, that's never supposed to happen. but it did. >> i don't know enough about that. i mean that was a very large boat. >> a lot of people are still going to go to the amusement park the balance of the summer. what's the number one thing they should be concerned with? >> well, when we're talking about harnesses and having t...