image is a derivative work of the following images: File:Hsieh_Ying-Chun_and_Wang-Shu.jpg licensed with Cc-zero 2011-04-21T09:46:19Z Movez 768x768 (96714
Agreement Between the Government of the United States and the Government of the People's Republic of China (Chinese version, scan by WangYing of Xinhua)