China. Di zhi diao cha ju
Er shi shi ji mo Zhongguo ge sheng qu yu di zhi diao cha jin zhan- Er shi shi ji mo Zhongguo qu yu di zhi diao cha gong zuo fang fa xin jin zhan
- Er shi shi ji mo Zhongguo qu yu di zhi diao cha yu yan jiu jin zhan
- Yan zhong que shui di qu di xia shui kan cha lun wen ji
- Zhongguo xi nan di qu yan rong di xia shui zi yuan kai fa yu li yong