Shen Yi opened his eyes and found that he had traveled through time. If you want to travel, just travel, but Chang'an City is too miserable. Half of the city wall collapsed, the drainage ditches stank to the sky, and the people couldn't even drink. Governor Qin Boan knew how to collect taxes every day, and the butchers in the West City and the grain merchants in the East City fought bloody battles over the territory. Not to mention that there are feudal towns outside the city that are watching eagerly, and An Lushan's spies are about to sneak into the palace. Shen Yi looked at the dense red alerts on the system map and took a deep breath. Well, now that we are here, let's repair this broken city. Let's start with the drainage ditch in West City.