Usually you are going to have these kind of situations. Also, in our own country we have many different ways of how to behave. Here I found a very useful article from Forbes magazine that can help you understand more about oter cultures and what do they consider rude or not.
Have fun and I receive comments, and experiences.
http://www.forbestraveler.com/best-lists/weirdest-customs-slide-9.html?partner=playlist&thisSpeed=25000
