Windows all the way around the outside of the washrooms have lights behind them, to create the illusion of extensive natural light, even though the washrooms are underground. The windows are made of glass brick, permanently cemented in place. Lighting is installed in service tunnels that run around the outside of the washrooms. This provides optimum safety from electrical shock (keeping the lights outside the washrooms), hygiene (no cracks or openings), security (no way for vandals to access the light bulbs), and aesthetics (clean architectural lines that maintain a continuity of the raw industrial urban aesthetic).
These washrooms look like they're right out of a 5-star hotel of the future.
It is very unusual to see such clean state-of-the-art washrooms in an
underground parking area. Since underground parking areas are notoriously
dangerous, the architecture includes decoratively installed