日前从北京屋顶绿化协会获悉,北京城区东起四惠通惠家园,西至石景山中铁建大厦,长安街沿线建筑的屋顶已建成大大小小19座空中花园,总面积达123840平方米,空中绿化带雏形初现。从1983年第一座空中花园在长城饭店建成至今,北京市的屋顶绿化面积已拓展至120万平方 A few days ago from the Beijing Green Roof Association was informed that the city of Beijing East from the four Hui Tong Hui homes, west of Shijingshan China Railway Construction, Chang’an Avenue along the roof of the building has been built large and small 19 sky gardens, with a total area of ​​124,840 square meters, air green With the rudiment of the beginning. Since 1983, the first air garden was built in the Great Wall Hotel so far, Beijing’s green roof area has been expanded to 1200000 square