What things should we look out for in the countries you know about ?
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I would say that generally for most countries try not to discuss or criticise the politicians....
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Don't chew gum in Singapore, it is against the law.
In Bulgaria you may have problems if you 'nod' your head to agree - it means 'no'. Conversely if you shake your head it means 'yes'. Wrongly used, could lead to some awkward situations!
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