It may seem daunting to travel abroad, especially if there's a language barrier between you and the locals.
But instead of cramming a few phrases last minute, you can quickly learn how to communicate without having to speak a word.
All you have to do is master a few simple hand gestures - however, since what gestures mean varies from place to place, take a look at this useful infographic created by Work The World that decodes 42 different hand movements used around the world.