Germans love fresh air. The people of Germany love it so much that they have a name for the act of airing out a room: Lüften. It’s been called a national obsession: they’re known to throw open windows multiple times a day even in the dead of winter. And if we take anything from the past year-and-a-half, it’s that the rest of the world could stand to take a leaf out of Germany’s books, and crack open our windows too.

While the early days of the pandemic were spent frantically sanitising surfaces and constantly washing our hands, the scientific consensus eventually settled on the fact that Sars-CoV-2 was airborne, and the focus shifted to proper ventilation to reduce its spread.

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