University of Bristol - Historical Photographs of China reference number: Fr01-071. Photograph by Lai Fong (Afong Studio). This image is reproduced in History of Photography in China, Chinese Photographers 1844-1879 by Terry Bennett (Quaritch 2013), on page 191, and captioned: '97. Gollen Valley Cave near Sing Chang Tea Mart'. Terry Bennett notes that the photographer's makeshift darkroom can be seen on the boat on the left - see Fr01-176. Gollen [sic] may be a typo for Golden? See Fr01-072 (same place, different point of view).
Gollen Valley cave near Xingcun, Fujian