glacial valley (galical-carved valley)
The super-wisdom valley The Bo Ruo Valley
The super-wisdom valley(The Bo Ruo Valley)
U-shaped valley(U-valley)
V-shaped valley(V-valley)
“avoid peak and fill up valley” measures
1998 summer heavy precipitation in the Yangtze and Huaihe River valley
3-order nonsingle-valley Feigenbaum’s map
6 cities of the Yangtze River Valley
Alluvial valley containing multiple circular-arc l
alpine river valley in Tibet
ancient Yangtze River valley