Although, one really insteresting thing is that one of the greatest architects has made the project of the whole city.
However
It's the: a) catedral; b) cathedral; c) kathedrall (with correct pronunciation)
B
Has too many events in the city (1 mistake, maybe 2)
There are; a lot of / plenty of
Here in the free time have always places to go. (2 mistakes, maybe 3)
in your free time; there are always / you always have; also, punctuation/word worder
There are too many restaurants that few people don't even know. (1 mistake, maybe 2)
a few people; many/plenty of/a lot of
There's always a where you can know about the city is history. (3 mistakes)
a place where; learn/get to know; city's history
Brasilia sure has the wonderful project of meaning for simple things. (please explain)
????
What I love the most about the city are the national heritage and the logical of the constructions. (2 mistakes)
what I love is; the logic