Tang Desheng's photographic works Yang Jiangchuan's photographic works Cai Juntang's photographic works Liu Dawei's photographic works Zhang Jianguo photographic works Zhangwang photographic works Shangerming photography works 逝去的脚影：汤德胜摄影作品集：Tang Desheng's photographic works Analysis of photographic works Analysis on photographic works