This is the 1980th most frequent Russian word.
столичных
"Столичных" means "of the capital" or "capital-related."
The word 'столичных' is an adjective meaning 'metropolitan'. Here, it describes the residents, indicating they live in the capital city.
Многие считают столичных жителей более занятыми и стремительными.
Many consider metropolitan residents to be busier and more dynamic.
Here, 'столичных' refers to the architectural styles typical of a capital city environment.
Столичных видов архитектуры можно найти во многих частях страны.
Metropolitan architectural styles can be found in many parts of the country.
In this context, 'столичных' describes cultures originating from or found in a capital city.