At this time, the capital city in Du Ruo's eyes bore obvious traces of the times. Most pedestrians wore clothes in black, gray, and blue. The buildings were low and short, with walls that were mottled and dilapidated. Occasionally, a small car could be seen driving down the street, but the ringing of bicycle bells was constant, light and pleasant to the ear.,Although Beijing in the 1960s was not as developed as it is in the 21st century, it was much better than the post-apocalyptic world. At least there were no terrifying zombies.,After a while, Lao Zhou came out of the security room. Facing Du Ruo, his face softened.。