参考答案:

House decoration

One of the house decorations is to post couplets on doors. On the Spring Festival couplets, good wishes are expressed. New Year couplets are usually posted in pairs as even numbers are associated with good luck and auspiciousness in Chinese culture.

People in north China are used to posting paper-cut on their windows. When sticking the window decoration paper-cuts, people paste on the door large red Chinese character “fu”A red "fu"means good luck and fortune, so it is customary to post "fu"on doors or walls on auspicious occasions such as wedding, festivals.