This photograph taken in Bad Langensalza, Germany shows one of many pillars placed around a fountain. The illusion here is that the pillar can either appear to be hollow or to have a pyramid on the top depending on which way you look at it. The shadow on the right gives it away slightly but its still quite convincing.
Haha are you kidding people it is a pyramid on top if you knew anything about light source you would take notice of the placement of the shadow. if it were hollow how would the be a shadow on the outside right but not on the inside left side.Plus you can see the shadows from the point on the outer lip. Not Hollow.
Posted by Mermaid
on July 14, 2010
I think it's sticking out because in the top left corner toward the middle there is an extra line plus the shadow on the bottom left is sticking out farther than the square lines
Posted by Ryan
on February 21, 2010
Its sticking out! The shadow would make it stick out. You can also see part of it on top of the pillar
Posted by mer
on February 13, 2010
hollow. but cool illusion
Posted by Melissa
on January 29, 2010
Its hollow...like the person said the shadow on the top right gives it away..
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