Traditional Culture Encyclopedia - Tourist attractions - What is the name of the thing that flows through the main canal?

What is the name of the thing that flows through the main canal?

Aqueduct. The main canal is an aqueduct, also known as a water bridge, which is a cross building when the canal passes through valleys, rivers, roads and other channels. It consists of an inlet section, a trough, an outlet section and a trough supporting structure. The tank is usually rectangular or U-shaped in cross section and made of masonry or reinforced concrete. The supporting structure of tank can be divided into pier type, bent type and arch type.