Upper image: A road between Ji County in Tianjin and Pinggu district in Beijing has been rebuilt. A car leaves for Tianjin to go to Beijing on July 24, 2015. [Photo/Xinhua by Yue Yuewei]

Lower image：A car crosses a roadblock in the junction between Ji County in Tianjin and Pinggu district in Beijing on April 2, 2014. After the implementation of the Beijing-Tianjin-Hebei coordinated development plan, many roadblocks in junctions were cleared away. [Photo/Xinhua by Yue Yuewei]

On Dec 25, 2015, the "one card" for Beijing-Tianjin-Hebei transportation was put into operation.[Photo/Xinhua by Yue Yuewei]