and jessica avila, a san francisco state senior. and a young man you will hear later from, who has helped me to start to look at the rooftops for the malls. we have almost three city blocks the rooftops. and without height change and without significant work done on the subterranean garage is that support the malls, we're probably looking at building form for many years to come. and we were thinking that black rooftops were not the best use of that rooftop area. so we have begun to explore a variety of sustainable treatments, from rainwater harvesting to solar to a variety of treatments that could be used up their, even possibly urban agriculture to grow something's that japantown restaurants could use, in a wide variety of ways, looking at how those three city blocks that are currently black rooftop could be used to help sustain and rebranded the mall's if we go through a process of acquisition and remodeling for the malls. finally, the technical assistance went into some of shadow analysis, because in the heart of japantown at the