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#BestOf2025 10 degrees below zero? Snow? None of this can stop the average German from satisfying a basic need: "lüften" (ventilation)! Even in the depths of winter, windows are flung open to let in "frische Luft" (fresh air). 💡 And the Germans wouldn't be Germans if they hadn't developed a sophisticated system for the purpose. Enter the "Drehkippfenster" (tilt-and-turn window): this not only opens the window, but also ‘tilts’ it, allowing only a small stream of air to enter, ideal for when you