River traveling through mountain pass, Sichuan, China, ca.1900-1920

" Tribes Country river." A river is shown flowing between a narrow mountain pass. A road can be seen running along a ridge of the steep mountains above the river to the right.《部落乡村河流》（Tribes Country river）：该数据集画面展示了一条在狭窄山间隘口间流淌的河流，河流右侧的陡峭山脉山脊之上，可见一条道路沿山脊延伸。