MIT students do that kind of prank every year. One student put a car on top of the great dome, the top is not flat. Boston residents wait every year to see if this year's graduate can out-smart last year's and do something more ridiculous and exciting. Oxford student also did that long time ago, and the principal of the university didn't even bother to investigate who did it and didn't punish anyone, just to encourage student's creativity.
UBC工程学霸恶作剧：钟楼塔顶放汽车