Arts & Photography- Architecture- The art and science of designing structures, buildingsand landscapes; from town planning and urban design to furniture and toys. Architects consider aesthetics, form, function, light, mass, materials, shadows, space, and volume when creating. Pillars of architecture set by Vitruvius - durability, utility, beauty - have been applied by John Ruskin, Louis Sullivan, I.M. Pei, Frank Gehry, Greene & Greene, Frank Lloyd Wright and others over the following years from the Parthenon, to the Empire State Building, Sears Tower, and the Burj Dubai. Classical, Modern, Bauhaus, Avant-garde, Commercial styles are applied, sometimes combined.