Gallery: Can You Spot The Differences In These Nearly-Identical Images?

Have you always had a keen eye for spotting the littlest flaws, or for detecting the differences between twins? Then you'll likely breeze through this visual challenge where normal people typically fail. 

Each half of these images is exactly the same...except for one little detail. Spot that difference, and you can move on to the next image!

Do you have what it takes to detect the differences in each? Try it without peeking at the answers!