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Despite having read this comment prior to clicking the article I have to admit that it took a while before I noticed that the ones with reflections were off.

• dahart 4y ago
  I’m probably extra sensitive to it; I’m both an amateur photographer and do computer graphics professionally (i.e. study the physics of reflections). Physically, reflections will always align vertically given a horizontal mirror surface, so the very first image in the article is a really pretty extreme example of incorrect reflections. It hit me immediately and pretty hard before I even had a chance to scroll and see the rest of the images. The cloud in the reflection is in the wrong place and the reflection has a big underside shadow that doesn’t exist. The mountain peaks don’t match, especially visible on the peak on the left, and the sun-lit unshadowed parts of the mountain don’t match. Once you start to see these things, it becomes second nature to recognize them and hard to unsee them. :P I used to have a kids book with an illustration that had a reflection of the moon clearly in the wrong place, and it drove me nuts.