What do you think when you first see this photograph?
You can probably tell that the two photos are of the same object - the Leaning Tower of Pisa. However, only one of them actually looks to be leaning, doesn't it? In actuality, the two photos are identical (the buildings are parallel).
This optical illusion plays tricks on how humans visualize objects. Because we are used to seeing tall buildings angled towards each other at the top, our brain does not know what to tell our eyes to see when we see images like these. So, our mind thinks that the buildings must be raising at different angles to each other, and therefore we see one building raising on a slant, and the other raising straight.
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Photos like these show exactly how much animals (and us, as humans) depend on our sight, and how easily it can be deceived. So much of our lives depend on what we see, especially in this time period, when so much depends on our looks. Normal people like me, and probably you, see celebrities in magazines and in other media looking beautiful, thin, and seemingly perfect. Alot of the celebs' fame comes from the way they appear in front of others, and media causes a big hype when they catch a famous star without their make-up, or when they've gained a few pounds. Closer to home, many young people starve themselves in the struggle to become and/or stay looking "hot." Some develop eating disorders and die because of lack of nourishment. All of this because of the strive to appear appealing to others.
However, hopefully you all know that appearances are not everything. Sure, it may be the start, or the first thing a person notices (again, because of our dependency on vision), but what's on the inside is what keeps us somewhere. There never appears to be a day when some magazine or newspaper is advertising the downfall of some celebrity. Obviously, just because something looks pretty, is may not be pretty "inside." Our vision deceives us, tricks us, and makes us think something that is not true very easily, because the first thing we "see" in a person is usually never who they really are.