I believe that mirror toilet was a working art installation in Stockholm.
On a similar note, the best glass wall toilet I've ever seen (on TV though) was in Chile facing the pacific ocean.
Spectacular view from the porcelain throne.

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"When I saw The Matrix at a local theatre in Slovenia, I had the unique opportunity of sitting close to the ideal spectator of the film - namely, to an idiot." - Slavoj Zizek