Sculptures by Dante Croce stand just  outside this city's cathedral, which is made of sixteen columns in a circle bent to form a hyperboloid.  
The palace in this city, which has a Noble Room featuring Victor Brecheret sculptures, is located on   Paranoá Lake. That lake features a bridge crossed by three arcs. Sculptures by Dante Croce stand just  outside this city's cathedral, which is made of sixteen columns in a circle bent to form a hyperboloid.   This city also houses a parliament building which has two semi-spheres on its roof, designed by Oscar  Niemeyer. This city was planned in an airplane shape by a disciple of Le Corbusier [kor-buss-yay],  Lúcio Costa, during the late 1950s. Name this South American city that was built to become a  national capital.
The palace in this city, which has a Noble Room featuring Victor Brecheret sculptures, is located on   Paranoá Lake.
Brasilia, Brazil