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Beijing claims the largest number of artificial intelligence companies and patents in China, said local government officials Monday.

Before the pandemic struck, Leung traveled to Hong Kong four or five times a month to meet friends, see doctors and manage his finances. He usually returned to Shenzhen the same day.

Beijing has carried out trash sorting since early 1998, when the Dachengxiang community in Xicheng district became the first neighborhood to classify garbage. At the end of 2011, the city published China's first domestic waste management regulation, which took effect on March 1, 2012.

Before e-commerce, rural residents had to buy consumer goods and farming materials alike from local stores or middlemen. For many highly specialized products, there was no way for sellers to find buyers in cities.

Before doing all that, world-class roads, highways and other transportation networks must be built first. It is necessary to increase greening and transform the ecology before people from other parts could move in to add value to the region. In this context, the Inner Mongolia autonomous region could be a good role model.