Don't flush the loo roll and never finish your food or you'll seem rude: 25 potential culture shocks from around the world (and how to avoid them) 

Don't flush the loo roll and never finish your food or you'll seem rude: 25 potential culture shocks from around the world (and how to avoid them) 
When visiting a new country, there are often local customs that can come as a surprise to travellers, such as the 3am loud call to prayer in Istanbul, as this infographic reveals.