There is also Ma-jeon-gyo(Bridge) which is generally known as Supyo-gyo across the Cheonggyecheon(stream flows center of Joseon Era's Seoul City(Inside area of the Seoul wall), near the Gyungbok Palace).
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The generally known name originated from the Supyo-seok attached on the pier of the bridge, and the Supyo-seok's meaning and function is "the water level gauge" of Cheonggyecheon, telling how much the stream's water level is risen by a rain.
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But, unfortunately the plan can't be fulfilled, cause there was a difference between the restored width of the Cheonggyecheon and the Bridge's length.
Seoul, South Korea has 227 years of precipitation records Cheugugi, which is the longest continual instrumental rainfall collection in the world.
Cheugugi |