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.
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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.
Colin Williamson, 88, has tackled Otago Rail Trail and is ready for the next challenge.