here are hidden dimples on your butt which are known by Venus holes, butt dimples or back dimples. These tend to be visibly superior to gluteal cleft. They are sometimes marked as beauty signs as Venus was the goddess for Roman people. Venus holes refer to symmetrical indentations which are generated by a small ligament stretching the skin and spine.
Two holes on your back.
The two holes at the lower back that can be seen with the naked eyes pretend to be like small circles and so they are called holes.