Title: Hang tian ke ji shi jian yu tan jiu
Description: Ben shu jie shao le hang tian shi shang de hui huang, Ren zao wei xing ji shu yu ying yong, Zai ren hang tian gong cheng ji zhan wang deng zhong guo de hang tian li cheng, Yi ji ji he pei zhun mo kuai, Ying xiang xiang qian mo kuai deng wei xing yao gan tu xiang du tu yu jie tu.
Subjects: Hang tian ke ji, Ke wai du wu, Zhong xue