The great expectations raised by the use of high-efficiency LED bulbs in urban lighting applications are stimulating the creation of luminaires designed specifically to fit these new lights. Aura makes it immediately obvious how these sources allow the design of completely new types of lamps, with a very different appearance from traditional streetlights. Elegance in the city often lies in simplicity . In an urban landscape which is increasingly crowded with confusing stimuli and signals, there is a need for simple, recognisable forms.