Traditional Culture Encyclopedia - Tourist attractions - As a comprehensive industry, tourism involves a wide range of contents. Tourism is mainly composed of ()

As a comprehensive industry, tourism involves a wide range of contents. Tourism is mainly composed of ()

Answer: a, b, c

In the previous study, the relevant UN agencies found that most of the tourists' consumption expenditure flowed to the travel agency, transportation and passenger transport industry and accommodation industry, so tourism was mainly composed of these three departments. Accordingly, in our country, people usually call travel agency, accommodation industry and transportation industry the "three pillars" of tourism.