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This week, events unfolding in two Chinese cities could change 5G history. In Beijing, delegates from all over China are attending annual meetings to shape the country's future. In the southern city of Shenzhen, Chinese tech giant Huawei unveiled a lawsuit against the U.S. government for banning it from entering the U.S. market. Check out this video and have a look at what CGTN's Liu Xin has been observing.