I have no idea what I’m looking at but it’s fascinating.
@世の為に2 жыл бұрын
「円形分水」始めて見ました。すごい知恵
@spacecat72472 жыл бұрын
In America there are areas where we use this type of irrigation. In some places it is powered by pumps and some places it is powered by dams (gravity flow). The men that maintain the flow of water and actuate the various gates/valvea are called ditch jumpers. Fascinating.