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"China-Europe cooperation is crucial and important for reducing uncertainties in the current international situation and boosting the confidence of the global community," said Ruan Zongze, executive vice-president of the China Institute of International Studies.

"China, however, is still at an early stage in the sector," Hoogewerf said.

"Chinese consumers in particular welcome new technology and are very open to trying the new and the best," Tsien said.

"Compared with the traditional way of preventing thrown objects from heights, such as installing protective nets and posting warnings, I think that installing cameras has turned out to be more effective," she said.

"Congressman Dingell died peacefully today at his home in Dearborn," the office of his wife, Congresswoman Debbie Dingell, said in a statement.