A three-year program of tree planting will be completed by the end of next year,forming an ecological green belt around the city of Beijing,covering an area of 10,000 hectares with 12 million trees.

• 明年年底为期3年的植树计划将全部完成，1千2百万棵绿树，占地1万公顷的绿色生态隔离带将环绕北京城。