"When they're on the train in The Hunger Games: Catching Fire, the view from the windows seems to imply that the train is moving in opposite directions. (Since Katniss and Effie are on opposite sides of the train, the background should be moving in opposite directions.)"
Its a film, requisites are made of foam or cardboard and stuntdoubles doing the stunts.
Sure you can see this, if you put pause or look for whatever tiny friggin thingy to show...what was obvious from the beginning.
There is nothing wrong to show some funny film mistakes, but this is getting more and more ridiculous. Calling those things "obvious" is even worse.
Get job!!