Acutely depicted in this rending is the beauty of curves and how their lines flow beautifully together to create an overarching aesthetic structure.
Modernism, rebelling against the ornament of the 19th century, limited the vocabulary of the designer. Modernism emphasized straight lines, eliminating the expressive S curve. This made it harder to communicate emotions through design.
As Oscar Niemeyer once said, "There is no reason to design buildings that are more basic and rectilinear, because with concrete you can cover almost any space."