Due to different ways of traveling, eco-tourism appeared in people's tourism a long time ago, but the term "eco-tourism" was formally proposed in 1983.
Because of the different ways of tourism, eco-tourism appeared in people's tourism a long time ago, but the term "eco-tourism" was only officially put forward in 1983.
Due to the different ways of tourism, eco-tourism appeared in people's tourism long ago, but the word "eco-tourism" was formally put forward in 1983.<br>