Melbourne Design Week puts ideas on a rooftop Weâre sorry, this service is currently unavailable. Please try again later. Dismiss By Ray Edgar Save Normal text size Solar flares explode across a blue sky. Beneath Ash Keatingâs vast rooftop mural A New Response, John Wardle Architects have reimagined the solar panel. High above Little Collins Street, the array generates not just power but doubles as shelter, meeting space and rooftop garden. Keatingâs mural, created with fire extinguishers loaded with paint, is designed to âgive the space a party atmosphereâ, he says. âItâs about positive vibe and energy.â