Endogenous tourism development in China's mountainous areas 并列题名：Endogenous tourism development in China's mountainous areas Study of eco-tourism development in the southwestern mountainous areas Study of eco-tourism development in the southwestern mountainous areas. 并列题名：Study of eco-tourism development in the southwestern mountainous areas Study on the economy development of Beijing's mountain valley areas Study of low carbon development in Chinese contiguous destitute areas Theory and practice of low carbon economic development in Karst mountainous areas the countermeasures of farmland abandonment in hilly and mountainous areas