DEFINITION OF 'CULTURE SHOCK'
A feeling of uncertainty, confusion or anxiety that people experience when visiting, doing business in or living in a society that is different from their own. Culture shock can arise from a person's unfamiliarity with local customs, language and acceptable behavior, since norms can vary significantly across cultures.( investopedia.com)
Costume : Costume could cause culture shock for me if I was living in Peru. Because Peruvians mostly have conservative ideas.To contact with Peruvian should dress modestly, with a series of tightened. Men should wear a suit and dark tie, While the ladies should wear a suit or dress.