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Beijing issued a blue alert for air pollution on Sunday and Monday. It was the third air pollution alert for the city in about 20 days. An orange alert for air pollution was issued twice in March.
Beijing will also continue to develop its railway network, which is an effective way to address transportation problems in big cities, Xi said at Caoqiao subway station.
Beijing has taken measures to ease traffic congestion in the city by building more subway lines. By the end of 2017, the city's metro system measured 608 km. By the end of 2018, the system will be extended to 630 km. Beijing now has 22 metro lines.
Beginning in 1810, Oktoberfest attracts more than 7 million people every year.
Beijing-based medical artificial intelligence solution provider HY teamed up with Huawei and won the "best assistant to doctors" award with highest accuracy rate in a contest in Russia, marking China's medical AI lead in the world.
