In Paris there's even a cold water network: https://www.climespace.fr/en https://www.climespace.fr/en In addition to hot water since 1927: https://fr.wikiped

In Paris there's even a cold water network: https://www.climespace.fr/en https://www.climespace.fr/en In addition to hot water since 1927: https://fr.wikipedia.org/wiki/Compagnie_parisienne_de_chauffage_urbain https://fr.wikipedia.org/wiki/Compagnie_parisienne_de_chauff...