A canal is a manmade facility.
Our canals are man-made?
A canal is a human-made waterway that allows boats and ships to pass from one body of water to another. Canals are also used to transport water for irrigation and other human uses.
What's the definition of canals?
1: a tubular anatomical passage or channel: duct.
2: channel, watercourse.
3: an artificial waterway for navigation or for draining or irrigating the land.
4: any of various faint narrow lines on the planet Mars seen through telescopes and once thought by some to be canals built by Martians.
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