Brutal heat waves?

#Vienna has you covered. City introduces air-conditioned outdoor benches that lower the ambient temperature to 20 C (68 F).

They do it without wasting energy: Vienna's "district cooling system" uses recycled air from cooled buildings.

https://www.themayor.eu/en/a/view/are-these-cool-ed-viennese-benches-the-street-furniture-of-the-future-12701?trans=en-US