Construction and application of a comprehensive evaluation system for study travel destination-illustrated by the example of the Shuping Danxia scenic spot in LanzhouZhongping Zhang, Huan Zou, Yue Zeng, Jialin Hu and Xiaohui RaoSHS Web Conf., 145 (2022) 01013DOI: https://doi.org/10.1051/shsconf/202214501013