Perspective Optical Illusion

Which trucks are the same size in this optical illusion?

See Another Random Optical Illusion

Scroll down for the answer and explanation.

The last truck and the truck on the side of the first truck.

You may not believe it, so we created this animation to illustrate.

Explanation

We are very proud of this original optical illusion.

The trucks and perspective background are setup in such a manner as to create a believable, three dimensional space. The brain sees the trucks in a line and automatically assigns them the same size, since that is what it expects to see in real life.

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