北京已建成152家区域养老服务中心，覆盖207万老年人

Group 1 - The core viewpoint of the article highlights Beijing's efforts in enhancing its elderly care services through the establishment of a comprehensive three-tiered elderly care service network over the past five years [1] Group 2 - Beijing has built 152 regional elderly care service centers, covering 2.07 million elderly individuals, with 293,000 being "old elderly" (aged 80 and above), representing 44% of the total elderly population in the city [1] - The city has integrated 413 elderly care stations and 1,022 professional service providers to offer various services such as meal assistance, care for the elderly, home-based care, and integrated medical and nursing services [1] - A guideline for nursing bed capacity in elderly care institutions has been introduced to enhance the professional care capabilities for "old elderly," resulting in the establishment of 622 elderly care institutions with a total of 110,000 beds, of which 68% are nursing beds [1]