collection of sculpture works by Fu Yuxiang 诗意的虫洞：傅榆翔雕塑作品集：collection of sculpture works by Fu Yuxiang collection of fine arts works of China collection of photography works Chai Guorong collection of recent paintings by Chen Yongqiang a collection of works by Zheng Shuang collection of essays by Lei yuejie collection of Hu Wugong's documentary works in 50 years