What three kinds of people were put forward at the Rome Conference in 1963?

tourists, tourists and short-distance tourists. In 1963, the United Nations held an international conference on travel and tourism in Rome, Italy, that is, the Rome Conference. The Rome Conference put forward three kinds of tourists, tourists and short-distance tourists. For the sake of statistical work, the conference revised and supplemented the definition of the League of Nations in 1937, made new norms on the statistical caliber of tourists in various countries, and put forward the overall concept of "visitor".