• Form determined by solar energy BP Solar Showcase Arup Associates 1998 prototype, Birmingham, U.K. The clamshell shape of the south façade, which is clad in photovoltaic panels, follows the arc of the sun in order to optimize power production. The north face is transparent.
    Form determined by solar energy BP Solar Showcase Arup Associates 1998 prototype, Birmingham, U.K. The clamshell shape of the south façade, which is clad in photovoltaic panels, follows the arc of the sun in order to optimize power production. The north face is transparent.