Lines that extend out from the head of Minerva produce a pattern not unlike that of a pinwheel.To all this churning movement the architecture adds powerful dynamics of its own.Central to the effect is the prominent column, whose helical shape is sharply accentuated by its foreshortening, and this emphasizes its spiraling movement.That part of the temple which is rectilinear consists largely of a prominent entablature which runs a zigzag course.