Paris says they won’t install air conditioning in Olympic Village, instead relying on some cold water circulation system meant to keep rooms between 73-79F.

Other nations say “Sure sure” and are sending portable AC units.

Additional details: Over 5,000 people died in France last year due to heat.
And:
“The 2021 Summer Olympics in Tokyo were the hottest in history, with numerous competitors fainting and vomiting at finish lines, being carted away in wheelchairs and outright expressing fears that they would die from the heat.”

https://www.npr.org/2024/06/24/nx-s1-5017544/paris-olympics-air-conditioning-usa