• Travelling in a new culture can mean seeing things on the menu that you never even knew you could eat.For examples,in Thailand they serve rat on stick,not dirty rat but wild fields rat.

• This one is an obvious one.Languanges differ from another culture to culture.It is important to study languange especially English as we all know that english is an international languange of the world. These days,there're plenty of apps that you can download for your own self learning.

• Schools,governments,hospitals,they all have different regulations,laws and operation.

• Fashion from another country are really different from your own country.If you are a fashion lover,you can study about other countries's fashion deeply.

5.Public toilet.

• Some other countries use a toilet paper as their cleaning tool,different from our country that used water as the sources of cleansing.