After 10 years of evolution, the green roof of the American Society of Landscape Architects is producing a new and varied crop. Photo courtesy of the American Society of Landscape Architects.
BEDIT_ASLA-GR-2014-spring-overall-shot
After 10 years of evolution, the green roof of the American Society of Landscape Architects is producing a new and varied crop. Photo courtesy of the American Society of Landscape Architects.