Many aqueducts from ancient Roman times still stand today near the Mediterranean Sea.

许多古罗马时代引水渠至今还保留在地中海附近。

They have built canals to irrigate the desert.

他们建造成水渠以灌溉沙漠。

Canals checkerboard the countryside on both sides of the river.

河两边遍布横交错水渠。