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.,"Grandpa, Du Weimin is really my father. I'm his son with his former wife. I lived in the countryside before.",After a while, Lao Zhou came out of the security room. Facing Du Ruo, his face softened.。