C432 Yu Zhi Bo with Earth(part I)

"Yeah, right on the roof." Hanzibing nodded slowly and took off his bamboo hat. He walked into the office first and led Chen Chen to the rooftop.

The office building was broken, but there were many floors. There were thirteen floors. Without the power supply, it would take a lot of effort to walk up the stairs. However, to Chen Chen and Hanzibing, the stairs on the thirteenth floor was nothing