The main feature of modern tourism is ()

Popularization of tourism discipline and expansion of tourism space.

1. Popularization of tourism themes: With the development of social economy and the improvement of people's living standards, more and more people participate in tourism activities, and the trend of tourism popularization is becoming increasingly obvious.

2. Expansion of tourism space: With the development of transportation and the diversification of people's travel modes, tourism space has been expanded and people can reach further places.