Study on the historical geography of hot spring tourism in China 并列题名：Study on the historical geography of hot spring tourism in China A study on the historical geography of the HeXi-LongYou Study on the historical development of graphic design and typography in China a study on the high-quality development of rural tourism in China 并列题名：Study on the historical development of graphic design and typography in China the historical geography of asia minor / 英文题名:A study on the historical grography of the HeXi-LongYou Research on historical geography in contemporary China study on the transfer of rural labor in China