# Category Information

I've been reading about Internal Family Systems therapy recently. It's claims seem quite appealing, since it suggests it can do the work of other therapies like psychoanalysis only faster and more

What do you see in these images? Look carefully before answering ... Solution Cayetano Ferrer paints boxes to make them disappear before our own eyes.
In the arc of the street there is a man sweeping and another that is very loaded. Can you see anything else? Solution If you move away you can clearly see the face of an old man.
This road is apparently flat, but it seems to lead to the first floor, how is that possible? Solution It is clear that this is a construction that cannot happen in reality, our sight deceives us again.
In this photo you can see a beautiful pond with a swimming fish. Solution It is actually a drawing made with chalk with 3D effect. Made by Julian Beeber in tribute to the famous cartoonist M. C. Escher.
How many triangles can you count in the figure on the left? Extracted from the page http://acertijosymascosas.com Solution We can find up to 32 triangles:
Look at this drawing, do you see anything strange in the aqueducts? Solution The upper aqueduct is completely built on the lower one, despite a completely different orientation.
Look at this image, what do you see? Solution Zebras are easy to see, but there is also the face of their predator, a lion.
Look at the image. Do you think it is formed by ovals? Solution Actually they are perfect circles.
In this work entitled "Pan Nuestro", by the artist Octavio Ocampo you can see a somewhat macabre bakery. Solution As you move away from the image, the effect becomes more evident and a skull clearly appears in the center of the image.
Be careful not to fall, the ground is open ... Quiet Solution, it is only a drawing made on the ground with the anamorphosis technique, made by Julian Beeber.
Look at the image, apparently it is a normal Coca-Cola ad, but ... have you read it correctly? Solution If at first glance you thought you saw the name of the brand and you have not realized that it is tricked it is due to the STROOP effect, which is what the kind of semantic interference produced as a result of the automaticity of the reading is called.
Look at this subway, inside is the Piccadilly Circus ... Solution It is another drawing made on the ground with the 3D technique, made by Julian Beeber.
These parrots are resting in a cube-shaped structure, but do you see everything normal? Solution Each of the two central columns cannot be at the same time on opposite sides of the cube. Keep looking, from top to bottom, each of them. You will see that they do not retain the plane of the face of the cube where they come from.
Look closely at the image we show you and answer the next question. Which of the two boxes A or B is darker? Solution Although it seems incredible, both boxes are exactly the same color. To see it more easily, we have drawn a gray strip that crosses both cells.
Does this machinery seem ingenious or impossible? Solution It is impossible, it should be formed by circles, and the perspective is misleading.
Look at this drawing, don't you see something weird in the perspective of the walls? Solution It is an impossible image, an illusion.
How can man take the bottle? What is real man or bottle? Solution Only man is real. This is an optical effect created by a painter who makes it look like it is done in 3D.
OMG! That poor man has fallen off the scaffold while working ... or not? Solution It seems to be a drawing made with chalk with 3D effect. Performed by Julian Beeber.
These two circles are intertwined ... Solution But they are in an impossible way.
There's a helicopter flying over the city, and with some people hanging! But it's all a bit strange, don't you think? Solution It is another drawing made on the ground with the anamorphosis technique of Julian Beeber.