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Beijing has had pilot trash sorting projects since early 1998 when the Dachengxiang community in Xicheng District first started to classify garbage. The city also published China's first household garbage management regulation at the end of 2011, which took effect on March 1 of the next year.

Beijing Mobike Technology Co Ltd, China's leading bike-sharing operator, in April introduced a measure to deal with these violations.

Beijing's level of PM2.5 peaked at 177 micrograms per cubic meter between 7 pm on Monday and 6 am on Tuesday, a drop of 38.3 percent compared with the same period last year. The city briefly experienced heavy pollution, between 3 and 5 am on Tuesday, a significantly shorter span than during the past three Spring Festivals, the ministry said.

Beijing Railway Station on Line 2 will start operations 20 minutes earlier. Temporary trains will be added on Line 2, Line 7 and Line 9, and the operating times of the three lines will be extended.

Before our court established a system on WeChat last year, I fielded about 80 calls a day. If 10 minutes passed without my phone ringing I began to wonder if it was faulty.