Kehtsikung. One of the ""kumbas"" or tomb of a Salar saint. Note the trees growing out of the graves.
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Historical Photographs of China album reference: Hv44. Dr. Samuel M. Zwemer's visit to China, part 1. First part of an album containing photographs taken by Christian missionaries Claude L. Pickens, Jr. and Carter Holton. Gong bei, Jishi. Access to original photographs and albums in the Rev. Claude L. Pickens, Jr. Collection is restricted. Photographs and images from the collection may be reproduced only with written permission. Contact the Harvard-Yenching Library for permissions and fees. Further information about the library and ‘The Rev. Claude L. Pickens, Jr. Collection on Muslims in China’: http://hcl.harvard.edu/libraries/harvard-yenching/collections/pickens/
Black and white photograph
Harvard-Yenching Library, USA