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Paris Expands Seine Cooling Network to 100+ Kilometers, Cools Louvre
The city uses an underground network of over 100 km of pipelines distributing Seine water for climate-friendly cooling.
How we reported this

Parisians without air conditioning are turning to public cooling centers according to item 7.
The city uses an underground network of over 100 km of pipelines distributing Seine water for climate-friendly cooling to buildings including the Louvre as stated in items 7 and 19.
Sources: perplexity-sonar, perplexity-sonar.