The removals at Zürich station have already been discussed on the forum. Here is one instance, but it’s not the only one.
It has been noted that a Community Campsite has been set up by a Pokémon Go Ambassador in this area, and I’m wondering if that has anything to do with the weird stuff happening there. We don’t have a Pokémon Go Ambassador in my town (though we are trying), so I’m not privy to how all that stuff works.