This image is a derivative work of the following images: File:China_100.78713E_35.63718N.jpg licensed with PD-WorldWind 2005-05-15T11:28:35Z Rex 1280x958...
NASA World Wind screenshot. Derivative works of this file: China 100.78713E 35.63718N-2010-23-08.jpg . English determination method or standard: SHA-1...