Ecological migration refers to migration for the purpose of protecting the special ecology of a certain area or restoring the ecology of a certain area. It also refers to the immigrants who move out the local people as a whole because of the harsh natural environment and lack of the conditions for local poverty alleviation.
According to the above definition, which of the following is ecological migration?
A certain village is located in a valley, and the transportation is very inconvenient. In order to get rich faster, the villagers collectively researched and decided to move out of the mountain