In 1945, the United Nations endorsed this definition

During the interval between the two world wars, the world's international tourism income grew rapidly, so a more accurate definition is urgently needed in statistics

World Tourism Day is a holiday for tourism workers and tourists determined by the World Tourism Organization

World Tourism Day is a holiday for tourism workers and tourists determined by the World Tourism Organization.

As a kind of social behavior, travel has existed since ancient times.

The pioneers of tourism are businessmen, and the earliest tourists are the Phoenicians, a maritime nation.