Similar in what their attitudes are to so many things in life. Thoughts on having a family, marriage, treatment of women, ideas on social status, work, career, material wellbeing, and down to things like hobbies, and free time spending. And their tourists... especially northeastern ones...

Everything within cultural gravity of Beijing, and Northeast has been molded very early in history of PRC, and was pretty much an attempt to copy USSR 1-to-1 before Mao cut ties.