6) Do not run out of Gas in Germany – Running out of gas is not considered an emergency and if there’s no emergency then you mustn’t stop on the highways. So do not stop if that happens to you at Germany.
7) Refrain from wearing heels at Greece – Basically at the ancient Greek sites, you will have to tour barefoot, otherwise you could injure monuments.
8) Do not eat during Ramadan at Dubai – You will be given a warning if you eat during the day.
9) No frowning at Milan – Apparently it is a legal rule in Milan to smile at all times without any exceptions.
10) Underwear alert at Thailand – At Thailand you are asked to wear underwear at all times. It is not clear how they enforce this though.