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Interesting. It appears to be dependent on which end of the train you are looking at. If I look at the farthest end, it's moving away, but if I look at the closest end, it's moving toward me.
"When you are dead, you won't even know that you are dead. It's a pain only felt by others; same thing when you are stupid."
Ignorant - An individual without knowledge, but is willing to learn. Stupid - An individual without knowledge and is incapable of learning. Idiot - An individual without knowledge and allows social media to do the thinking for them.
Interesting concept. By limiting the animation to two frames, each super-imposeable but with alternate coloration, you can see it either way as, without intermediate images there is no implied directionalality.
I have taken some richly colored photos, myself. One, of a (no actual sun, though) sunset (with certain props so it just wasn't yet another sunset) has the sky look like impressionist painting (a side effect the focal point being about 20cm away instead of the sky. Some others, now and then.
But nothing like the eyesores that I see posted every which way. The beauty comes from the subtlety. Nature's particularly good at that.