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China has become a major economic power after four decades of reform and opening-up, and the world is changing through the changes in China, Dezcallar said.

China has a six-grade water quality grading system, with the highest three grades suitable for human consumption and the lowest "below grade V" level.

China has a four-tier color code for severe weather, with red being the most serious, followed by orange, yellow and blue.

China has 5.53 million households - 7.34 million people - stuck in poverty as a result of medical costs, according to data from the National Health and Family Planning Commission.

China has conducted road tests in a number of its municipalities and provinces, including Beijing, Shanghai, Chongqing and Guangdong. But even on the global scale, autonomous driving testing is in its infancy, with multiple players engaged in various tests based on different technical standards and driving conditions.