The largest swamp in the world is Russia's Great Vasyugan Swamp. Its area is 53-55 thousand sq. km.


DobrunyaNikitich
 
The largest swamp in the world is Russia's Great Vasyugan Swamp. Its area is 53-55 thousand sq. km.
Source
Swamp Большое Васюганское болото Самое большое болото в мире
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