By A Mystery Man Writer
Sharing an image that shows multiple green lines forming small boxes on a granite background, the Twitter user asked others to find the curved line in it.
Curved lines' optical illusion pic is making people's heads spin
The most perplexing optical illusions on the Internet this year
Staring at optical illusion for two minutes 'makes whole world
The coffer illusion has people struggling to see circles - Upworthy
The internet is divided by this bizarre optical illusion
Find the curved line. Optical illusion:)
Slim Your Body With Fashion Optical Illusion
Curved or Straight Lines? Optical Illusion Picture
These images have something different. Spot the difference
Our Favorite Viral Optical Illusions Explained
Wait, so is this optical illusion straight or curved?
Find the hidden images: Can you find the 9 objects in this optical
3,700+ Curved Line Pattern Stock Illustrations, Royalty-Free