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We have a road right outside our window, and the other day, I made two speed bumps on it... haha, now we can watch cars bounce and their undercarriages hit the bumps all day long! Some even stop, like the guy right now, who got out and yelled at the top of his lungs, "You assholes!" Haha, it's hilarious! They should have known better than to speed on the road.
P.S. In the evenings, people stand by the road and watch, and even during the day, there are people watching.