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Photo shows design renderings of future Olympic bullet trains released by the China Academy of Railway Sciences Co., Ltd in Beijing, capital of China, April 23, 2018. China will complete the testing of high-speed trains that will run on a new line linking Beijing and Zhangjiakou, co-hosts of the 2022 Winter Olympics, by the first half of 2019. A prototype of the trains will be manufactured and assembled by the end of this year. (Xinhua)
