Knowing where you are

The problem with just showing footage like the video below is that people might not know where or what they're looking at. I decided to experiment with different ways of showing people they're looking at the view from a train window. To do this I tried covering the screen with some card with the shape of a train window cut out. Here's how it worked. . .

Here's another video I made just experimenting with different, random screen shapes. . .