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But now, there are just 1,128 MOC-certified laozihao. Their average age is 140 years. The oldest among them is Huang Gu Lin Artware of Ningbo, Zhejiang province; it is known for its bamboo and straw plaited beddings, which date back to more than 1,300 years.

d Wang Zhiqin, deputy director of the China Academy of Information and Communications Technology, a government think tank.

But even those sites, such as the Colosseum in Rome, Ponte Vecchio in Florence or St. Mark's Square in Venice, are mostly deserted with tourism halted and residents ordered to stay at home except for a small handful of activities.

But it needs to do more. China is the biggest emitter of greenhouse gases, accounting for 30 percent of the world's total.

But one thing is different: The competitive environment has changed.