Whats the main tourist attraction in la habana?

Hi , the answer is habana vieja(old Habana).

Havana has many tourist attraction, what most like tourists about it is that it is stopped on time. Anyway, the answer is the Cathedral. As additional information, that was the Cathedral where Obama was when visiting Cuba.

Escondí mis notas would be it

Its is called el escorial. it was built in the 16th century in the town of san lorenzo de el escorial.