So, what do you think they used in Switzerland?
Yes, that's right, they used this:
Yes, that's right, I have no idea what landmark it is.
It's odd that a country should have as its defining image a photo of something that people visiting that country would be hard pressed to identify. I shouldn't have to Google it to learn that it's <whatever it is — there's no Internet access in my hotelk room>. If it had been the Matterhorn, or that jet of water in Geneva, yes, that would have worked. This picture, though, well without prior knowledge I couldn't have told you you what country it was in, let alone what it was of.
This is where I find out it's immensely famous and I'm just ignorant, I know...