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.,And Du Ru also relied on her own efforts to become a renowned powerhouse in the power system, making a name for herself in the survival base!,Du Ru stood at the front gate of Beijing's First Cotton Textile Factory. An old man sat at the entrance, staring intently at the stranger as if he were a thief.。