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Content: Men should cross their legs with caution. 14. Keeping your shoes on
While you probably think you're doing the world a favor by keeping your socks under wraps, in most Asian and Caribbean cultures it is expected that you take your shoes off when entering someone's home. 15. Drinking someone else's alcohol
© Provided by Business InsiderApparently, it's rude to drink alcohol you didn't personally bring to a party in Norway. In the US, on the other hand, bringing a six pack of beer to a BBQ allows you access to anything else at the event. 16. Men showing some skin
It's rare to see topless men in South Korea, where men even keep their shirts on at the beach. 17. Eating anywhere that doesn't serve food
In Rwanda and Japan, it is considered rude to eat anywhere that isn't a restaurant, bar or hotel.