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An aerial photo shows a China-Europe freight train ready to leave the Tuanjiecun Station in Chongqing municipality, Southwest China, April 3, 2020. [Photo/Xinhua]
An intelligent robot dances at the third World Intelligence Congress in Tianjin, on May 16, 2019. [Photo/VCG]
An employee wraps fabric at Zhejiang ESSE Textile Technology Co Ltd in Shaoxing, Zhejiang province, on Nov 25. [Photo by Xiao Da/China Daily]
An employee works at Sina's headquarters in Beijing, May 20, 2017. [Photo/VCG]
An Amazon Wind Farm in Texas. (Amazon Photo / Jordan Stead)
