Someone wasn’t paying attention!
https://www.thelocal.fr/20180820/nightmare-in-disneyland-paris-as-hotel-pool-poisons-guests
“Bleach and sulphuric acid were incorrectly mixed, causing a release of chlorine gas”
https://www.thelocal.fr/20180820/nightmare-in-disneyland-paris-as-hotel-pool-poisons-guests
“Bleach and sulphuric acid were incorrectly mixed, causing a release of chlorine gas”