It seems a pity to post this on Tedious Tuesday, because it does look like quite an impressive building.
But, these sort of slide are basically boring,. An interesting church on a day coach-trip to mumblety-mumble. Let's take a picture to bore the neighbours with, but not have any information of where and when.
OK, in this case, it might be St. George's Basilica - Prague Castle. Image StreetView
Bonus -

















