浮力ccyy的切换路线

According to Ji Feng's observation, this staircase leads to the top, but there is clearly no space above. Ji Feng felt that it was a bit unreliable to say that it led to the rooftop, because this staircase was hidden behind the wall. It was very hidden. If Ji Feng hadn't glanced at it out of habit, he probably wouldn't have discovered that there was another one here. A hidden staircase....