What is the ideal upper body and what is the realistic lower body?

February 5 at 23:34? From where? Instant notes

The upper body is ideal and the lower body is reality-how much time does reality give dreams?

A few years ago, there was a group of photos called "How much time did reality give dreams" at Pingyao Photography Festival, which attracted many people's attention at that time. This group of upper body is ideal and lower body is realistic, which makes many people feel.