Moreover, the increase of work hours, the fixed schedule for jobs and the short summer vacation in some countries have cut the demand of travel abroad. Normally, the pensioners or people who have flexible, independent jobs is the objects to the trip overseas.
To sum up, traveling abroad brings many fresh, exciting discoveries to tourists. It helps to promote the development of the tourism industry, prosperity of society and contribute to diversity the human culture. Along with these benefits, the preparations are deeply necessary for a tourist for a healthy and safety trip overseas.