Do you see anything unusual about this construction? Notice the bridge running across the picture over the stream of water. Notice the pillars and the angle they are pointing to. The bridge seems to turn but you don't notice any bending of the bridge structure!
These two geometric figures are made up of the same four pieces but how come their areas are different???
Look at the way these three gears are connected to each other. Can they exist independently?
How many legs does this dinosaur have? Can you count them?
Do you see the tracks in this pattern as raised or lowered? Follow the track all the way around. Do they consistently stay raised or lowered?