Northern Dvina River floodplain during floods (Kotlas).JPG
Georg Pik
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Northern Dvina River floodplain during floods (Kotlas), Severnaya Dvina River, Nature of Kotlas
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洪水時の北部ドヴィナ川濫原(コトラス、セヴェルナヤ川、コトラス自然
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