The center of Yan'an concentrated in Baota District Sanchuan junction area, since years of ecological construction, the ecological environment has improved, but it is still at a critical stage of "governance and destruction stalemate phase", therefore, we should continue to strengthen ecological management, use artificial measures to promote the natural restoration, in order to improve the living environment in urban areas.%延安市的中心城区集中在宝塔区三川交汇地区，经过多年生态建设，该区生态环境环境有所好转，但依然处于“治理与破坏相持阶段”的关键阶段，因此应继续加强生态治理，以人工促进自然恢复，改善城区人居环境。
展开▼
