When you think of the Royal Guards, you probably imagine stoic soldiers in red uniforms. But while these highly trained professionals may look like they’re all about ceremony, some tourists have found out the hard way that messing with them is a bad idea. Whether it’s touching the guards, standing in their path, or trying to make them laugh, these 20 incidents prove that those who try to fool around with the Royal Guards instantly regret it. Get ready to see some serious blunders that left these 20 idiots wishing they had respected the rules!