Why is that cities in the northern hemisphere are always the ones destroyed in fiction? There's cities in the southern hemisphere too: destroy some of them! A

Why is that cities in the northern hemisphere are always the ones destroyed in fiction? There's cities in the southern hemisphere too: destroy some of them! Actually, I want to call out "The Expanse" for this (warning: spoilers): in the episode where one of Mars' interplanetary nuclear missiles gets through Earth's defenses, it strikes South America. But this is the only time I can think of this happening in disaster fiction; usually the entire existence of the southern hemisphere is ignored.