# Category Briefly

In the image on the right you can see the shape that is achieved from the cutout shown. It is a cube. Would you be able to find which figure is formed with the following cutout? Solution This is an Octahemioctahedron: You can find more information about this geometric figure on Wikipedia.

In this advertising of the WWF association dedicated to the protection of nature and the animal world dozens of animals are hidden. Can you find them all? Solution We can find more than 20 different animals. From right to left: Elephant, baby elephant, parrot, toucan, owl, chameleon, alligator, koala, koala cub, tarantula, wild boar, monkey, orangutan, another wild boar, tiger, puma, snake, alpacas, wolf, crocodile ...
Look at this drawing, can you see the horses? Solution If you look well you can see up to 5 horses, 4 adults and a foal.
Look closely at the image on the right and discover the hidden character. What famous musician hides in the image? Solution To facilitate viewing, you can try to move away from the image or look at it from the bottom of the screen. You will see the face of the famous Beatles singer John Lennon.
What do you see in the image? Are you sure? Solution Although it may seem a lie, it is the hands of a person painted as if it were an owl.
You see the illustration with the vertical lines, but ... can you see the hidden image? Solution The further you go, the better you will see it: It is an image of Jesus Christ.
Look at this Roman woman, isn't there anything strange in the drawing? Solution This image can have several points of view or perspectives, besides being an impossible figure.
Look closely at these arches, do you think everyone has the same radius? Solution All arcs in this image have exactly the same radius, even though the upper arc seems more curved than the lower one.
How can that man step on the globe? Solution It is another 3D optical effect created by an extraordinary cartoonist.
Can you find the woman hiding in the drawing? Solution On the riverbed lies the woman. The fish just caught by man forms the head and left arm. Following down, the stones make up the naked body of the woman. It is easier to see if we turn the screen slightly to the left.
Look at this vase well, don't you see something strange on the shelf? How is it possible for the cup to hang from the base? Solution It is an optical illusion in an impossible way.
Look at this picture, can you see what is hidden among the rocks? Solution It is the figure of a girl.
Be careful where you step, you can fall into a hole with underground lava ... Solution It is another 3D optical effect created in the street by an extraordinary artist.
Water passes through the pipe and falls, or does it pass through a gutter? Solution Nice drawing by Joe Santana.
Look at this drawing, what do you see, ice skaters with lights on their hands or stars in the sky? Solution It is an optical effect that makes us see above as the sky with stars and clouds, and below skaters on an icy river
Batman and Robin to the rescue ... Solution It is a chalk drawing with 3D effect by Julian Beeber.
Poor shipwrecked go straight to the waterfall! Solution This is another drawing made on the ground and it looks like it is in 3D.
Look fixedly in the center of the drawing, and you will see how it seems that the black expands outward. Solution It is a trick of the brain that makes us see movement where there is none.
What do you see, a river or a tree? Solution It is a drawing of Rob Gonsalves, one of the current creators of optical illusions whose work is more spectacular.
A crater has appeared on the floor of Paris, but where is the meteorite? Solution This drawing was made in Montparnasse, Paris, to commemorate the tenth anniversary of the explosion of the AZF factory in Toulouse in 2001. It is actually a drawing made with chalk with 3D effect. Performed by Julian Beeber.
Look at this landscape, it looks like a stone woman sleeping in the forest. Solution It is an optical effect.