In this video Darius Groza takes advantage of tourists taking forced-perspective photos of themselves propping up the Leaning Tower of Pisa by running up and giving them high fives when they’re not looking: brilliant.
This is exactly the kind of humorous trolling we wholeheartedly endorse, since it not only spreads good cheer, but it ensures no man or woman is ever left hanging. [YouTube via Geekosystem via Slacktory]