A woman who shared an optical illusion has left people baffled - even when she revealed her trick.
Adeline regularly posts "surprising, unusual and weird art" on her Tiktok account @mysweetadeline, but one of her most recent videos has caused a lot of confusion.
In the clip, Adeline shows what appears to be a drawing of an art gallery - but as she moves the camera the room appears to move.
The centre of the drawing which shows a painting on the far wall seems to sink into the table and as Adeline moves from left to right, you can see more of the work on the other walls.
She said this phenomenon is called "reverse perspective".
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She explained: "I don’t know about you, but I’m fascinated by optical illusions. Today I was playing with something called reverse perspective and I made a little art gallery."
At the end of the clip, Adeline reveals that the 'drawing' is actually a 3D structure.
The viral video has now amassed more than 4.7 million views.
Since being posted, the video has racked up more than 940,000 likes and 4,300 comments from people who just can't seem to get their heads around it.
One person said: "When I look at the sides I see it normally but in the centre, it's an illusion."
Another wrote: "My brains hurting because I can see both at the same time."
A third commented: "When you changed the angle completely I almost threw up."
Someone else begged her to share the secret behind the illusion, as they wrote: "That's like magic. I want to make one please do a tutorial."
But even after Adeline revealed the illusion, commenters were still confused.
"My brain is switching from seeing the illusion to breaking it every two seconds, it’s making me kinda dizzy," wrote one.
"I keep seeing it and unseeing it," another added.
She later posted a tutorial on how she made the room. Take a look at it here.
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