What is left to say about such a famous building as the thermal baths in Vals, by Peter Zumthor? Not that much, since pretty much everything that could be said about it has been said before.
What is left, is the experience of the building itself. Unfortunately, not everybody can take a quick tour down to Switzerland to experience the building personally. So luckily, there's a movie clip like this one, which gives a really strong impression of the impact of this building (in experience and context).