If a foreigner wants to visit Viet Nam I can give her some tips for meeting, greeting people and going to a wedding.- When you meet someone, you should greeting them with a smile or greeting them with a shaking hands.- When you go to a wedding: For gift: You should give them a gift with a good wish. Normally in Viet Nam, people go to a wedding, they often give a some money, if only being close, they can give some money and a meaning gift with a best wish For clothes: you should dress politely and that clothes with the bright colors such as: " red, yellow, blue, green, pink,..." you should not wear the black clothes or you should not show a lot of cleanage, it is not polite in Viet Nam. For eating: you should eat moderately and before you start meal, you have to offer people in table. You can drink a cup of wine with the bride and groom to wish them.