At first glance it appears we are looking at a normal wall with a simple small rock embedded between two of the red bricks.
But the image has gone viral as people have spotted a hidden optical illusion of something emerging from the wall.

Optical illusion: At first glance it appears we are looking at a normal wall with a simple small rock embedded between two of the red bricks.
At first glance it appears we are looking at a normal wall with a simple small rock embedded between two of the red bricks.
But the image has gone viral as people have spotted a hidden optical illusion of something emerging from the wall.
New York Times: Singapore celebrates its diamond jubilee as a thriving city-state.