This project is a key project of Lhasa City in 2017. It is 20.5 kilometers long from the west of the Najin Bridge to the Liudong Bridge in the east. It was completed in December 2017 and installed more than 1,500 solar lights of 12 meters and 200W. This streetlight fully incorporates Tibetan cultural elements, adding a new landscape to the city of Lhasa.