These two videos describe differences in lifestyle between Hà Nội and Sài Gòn:

SÀI GÒN & HÀ NỘI

SỰ KHÁC NHAU THÚ VỊ GIỮA HÀ NỘI VÀ SÀI GÒN

These images also capture some visual differences between Hà Nội and Sài Gòn.

What about differences in expressions of politeness between these two major dialectal and cultural areas in Vietnam?

Go to the Resources page to learn more about how speakers of Northern and Southern dialects use politeness markers and perform some common speech acts such as inviting, deciding