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Apart from potatoes, Zhu's research into agricultural biodiversity has also been applied to other crops. His method for planting panax notoginseng in the forest was the subject of a 1 billion yuan (4 million) offer by a company, but Zhu refused it and instead taught the method to the locals for free.

Apart from applying to build free trade ports, these municipalities and provinces also clarified targets to deepen reform of their pilot free trade zones.

Another line links Changping District with the suburb districts of Huairou and Miyun. It spans 135.6 km and has six stations. Currently only three stations are in operation.

Animal shelters across the United States are experiencing a pet-adoption boom, especially for dogs, as the COVID-19 pandemic causes isolation at home and feelings of loneliness.

Any attempt to pressure China or undermine China's sovereignty, security and development interests will not succeed, Wang added.