aerial photography
canyon
cliffs
green water
gully
landscape
loess plateau
loess plateau of northern shaanxi
natural landscape
natural scenery
nature
northern shaanxi
plateau scenery
qingjian county
qingjian scenery
river
river bend
river course
summer
wuding river
wuding river enters yellow mouth
wuding river meander
wudinghe gorge
yellow river
yuermao