Can I change the yard fence on the first floor?

The fence of the courtyard on the first floor is a plan set by the developer at the design stage. The property is not allowed to be changed, and the overall structure of the courtyard on the first floor cannot be destroyed, which is a serious illegal construction.

From the earliest wooden fence, it is an obstacle to raising all kinds of livestock. Up to now, fences often appear in different appearance forms in life, which has a very wide range of uses and connotations.