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.,"Is there something This is the family courtyard of the textile mill, outsiders are not allowed in. If you have nothing to do, get lost and don't wander around here.",The old man stared at Du Ruo for a few seconds, then muttered with a thoughtful expression:。