This is the 14829th most frequent Korean word.
박물관이
"박물관이" means "museum" in English.
In this sentence, '박물관이' is used as the subject of the verb '크고 아름답습니다' (is large and beautiful), indicating that it is the museum that possesses these qualities.
박물관이 매우 크고 아름답습니다.
The museum is very large and beautiful.
Here, '박물관이' serves as the subject for '문을 열었습니다' (has opened its doors), implying that the action of opening is performed by the museum.
박물관이 문을 열었습니다.
The museum has opened its doors.
In this sentence, '박물관이' functions as the subject for the verb '붐볐습니다' (was crowded), designating the museum as the location experiencing the crowding.