延庆南山环线三期通车！京北再添19.8公里特色骑行线

Core Viewpoint - The opening of the Nanshan Ring Road Phase III in Yanqing marks a significant infrastructure development that enhances connectivity in the region, facilitating access to popular tourist destinations [1] Group 1: Infrastructure Development - The Nanshan Ring Road Phase III has officially commenced trial operations, completing construction two months ahead of schedule after nearly three years of work [1] - This road serves as a crucial link in the larger Yanqing Plain area, filling in the final piece of the major ring road network [1] Group 2: Tourism Enhancement - The new 19.8-kilometer route connects key tourist attractions such as the Badaling Great Wall, Liugou Folk Village, and Yongning Ancient City [1] - The road is designed to support both driving and cycling, thereby promoting tourism in the northern Beijing region [1]