Building Footprints

This layer contains polygon features of buildings and other similar structures. This layer was developed and is maintained as part of the planimetric (base map) mapping conducted by the Auditor's office.本图层包含建筑物及其他同类构筑物的多边形要素。本图层作为审计办公室（Auditor's office）开展的平面测图（底图制图，planimetric (base map) mapping）工作的一部分被开发并持续维护。