答案:

Nowadays, less people like to spend their holidays at homeMore people go camping outside or even travel abroadThe changes are caused mainly by three factorsFirst ,people become more openInstead of staying at home, they visit foreign countries to know the different racesSecondly ,in the 1990s , house wives are more free from the heavy housework with more and more household utensilsFamilies are very happy to spend holidays outside with mothers or wivesThirdly, travelling abroad can also mean enjoying comfortable weather in another countryTherefore less people go to crowded seaside ,they turn to other ways.