While Hispanics are famous for their continuous gesturing while talking, all countries have their unique gestures to communicate an opinion, an idea, a word or an insult too. People can have conversations omitting 40% of the words. If you are studying a language and are beginning to understand regular conversation, you must also learn the gestures they use or you will miss out much of what is being communicated.
Here is an example of gestures unique to different countries:
Watch this video in Spanish and try to figure out by their gestures what they are referring to! Bet you can!