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"China is determined to be at the forefront of this change, with the announcement plastic bags will be phased out in major cities by year end just the latest development. As the BRI continues to evolve, I expect sustainability to be a driving force for its growth and expansion in the decade ahead," Wong said.

"But the science is clear and the evidence irrefutable: mask-wearing, social distancing, and limits to social gatherings are vital to helping prevent transmission of the virus," he said.

"China is very important partner for Ethiopian government and very important for WFP, and we are very proud to be part of a partnership, a bigger partnership between two very important countries in the world," he said.

"But this accident sounds a timely warning that currently we cannot put all our faith in the technology, and we still need a lot more work to improve and test it."

"China is a very important market for Saint-Gobain. It currently represents 4 to 5 percent of Saint-Gobain's global sales, which is still a small percentage compared to the importance of the Chinese economy in the world," said Javier Gimeno, chief executive officer of the company's Asia-Pacific operations.