Chongqing University of Arts and Sciences Chongqing China;
Chongqing University of Arts and Sciences Chongqing China;
Chongqing University of Arts and Sciences Chongqing China;
Chongqing University of Arts and Sciences Chongqing China;
Chengdu Chongqing urban agglomeration; ecotourism; rural tourism resources; Yingshan area;