community
Paris Cools 100+ Kilometers of Buildings Using Seine Water Underground
Paris uses an underground network of over 100 km of pipelines distributing Seine water for climate-friendly cooling to buildings including the Louvre.
How we reported this

Paris uses an underground network of over 100 km of pipelines distributing Seine water for climate-friendly cooling to buildings including the Louvre according to item [7].
Parisians without air conditioning are turning to public cooling centers according to item [7].
Sources: perplexity-sonar.