"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 23 November 2024 Walruses weekly event Sunday gathering cold water dip Jaap Arriens NurPhoto winter swimming river swimming group activity outdoor activity recreational swimming cold exposure community event health benefits tradition swimming enthusiasts endurance swimming social gathering cold water enthusiasts seasonal event aquatic activity nature activity popular event local tradition fitness activity invigorating swim water sport endurance challenge