Next to Amsterdam Schiphol Airport is the Buitenschot Land Art Park, a giant set of ridges and furrows cut into the landscape. Yes, it’s art: but it also stops some local residents from being exposed to jet noise.
More about the park: https://www.schiphol.nl/en/schiphol-as-a-neighbour/page/landscape-design-plan-to-combat-noise-nuisance/
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