| 1 | Meeting the high mountains, hills , valleys both alluvial plain. | |
| 2 | Then the Army Corps of Engineer demanded a map of the proposed new flood plain. | |
| 3 | The alluvial plains in Mesopotamia are perfectly suitable for high food production. | |
| 4 | The Yellow River Alluvial Plain is the cradle of the Yellow River Civilization, and the Heluo area serves as the core in inheriting and spreading the civilization. | |
| 5 | With the party and the Shule River alluvial fan alluvial plain, this constitutes a land-locked plains Dunhuang. |