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.,The old man stared at Du Ruo for a few seconds, then muttered with a thoughtful expression:,The old man saw that Du Ru was composed, and he believed a few points in his heart. "Then you wait a moment, I'll make a phone call."。