Can the roof wall be climbed?

Cannot climb. There are slogans "No Climbing, Beware of Falling" printed on many places on the top floor wall, indicating that it is very dangerous. Children are strictly prohibited from playing, roughhousing, etc. in the top floor wall, corridors, and roofs. This will cause danger and non-professionals are not allowed to climb. . In architecture, a fence refers to a vertical space partition structure used to enclose, divide or protect a certain area.