The story under Place Loix, Saint-Gilles — 90 seconds, press play
Stop 1 · 3 min
In short: Deep under Place Loix sits a decommissioned 1875 water reservoir known as the Water Cathedral. It is a vast brickwork labyrinth featuring over five hundred pillars and groined vaults that once stored fifteen million liters of water.
↓ 450 m · 6 min to the next stop