Why do men like to take pictures outside, beautiful young girls?

It is not only the attraction between the opposite sex (that is, the role of hormones), but also the need of business. The latter accounted for most of the reasons.

Also, to give you an example, when a boy sees a handsome guy on the road or elsewhere, he won't feel much, or look more, but when he sees a beautiful woman, he may look more quickly.

Most girls like to see handsome guys and beautiful women.

In other words, this kind of social beauty has an advantage over handsome guys in beauty performance.