"Walruses" Brave Cold Waters In Warsaw

cold water swimming Vistula River Warsaw Poland winter swim outdoor swimming polar plunge river swimming winter sports cold weather active lifestyle health and wellness endurance freezing water people swimming winter challenge urban river water sport community event physical fitness cold exposure Walrus Morsy water river cold autumn winter season weather climate fall health fitness cold water swim Vistula river Warsaw Poland November 2024 Walruses Jaap Arriens NurPhoto weekly event Sunday gathering cold water dip swimming community event outdoor activity winter swimming cold exposure river swim group activity health benefits social event tradition cold therapy endurance resilience local tradition recreational swimming nature fitness water sports seasonal event bathing camaraderie physical challenge.