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.,In her past life, she had a good memory. She remembered everything Old Zhou said. Du Ru politely waved her hand at Old Zhou:。