Workers are seen at the reconstruction and extension project of Changchun-Lalinhe section of Beijing-Harbin Expressway, northeast China's Jilin Province, July 9, 2019. (Photos: Xinhua)
Workers install sound barrier in hot weather for the reconstruction and extension project of Changchun-Lalinhe section of Beijing-Harbin Expressway, northeast China's Jilin Province, July 9, 2019.
Aerial photo taken on July 9, 2019 shows workers at the reconstruction and extension site of Changchun-Lalinhe section of Beijing-Harbin Expressway, northeast China's Jilin Province.
Workers install sound barrier in hot weather for the reconstruction and extension project of Changchun-Lalinhe section of Beijing-Harbin Expressway, northeast China's Jilin Province, July 9, 2019.
Builders work at the reconstruction and extension site of Changchun-Lalinhe section of Beijing-Harbin Expressway, northeast China's Jilin Province, July 9, 2019.
Aerial photo taken on July 9, 2019 shows workers at the reconstruction and extension site of Changchun-Lalinhe section of Beijing-Harbin Expressway, northeast China's Jilin Province.
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