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"China and the US, the two major countries, bear special duties in this regard," he said.

"China Road and Bridge Corporation has a wealth of experience in building bridges of the highest quality, including many bridges in China that presented even tougher challenges than the Maputo-Katembe Bridge," Wang said.

"Cash-constrained airlines will postpone their scheduled aircraft replacements. It is expected to be a long and slow recovery period after travel restrictions are lifted. As most aircraft are grounded, demand for flight hour and flight cycle-related maintenance has also disappeared," said Manfred Hader, senior partner of Roland Berger in Germany.

"China is likely to become more determined to develop renewable energy as part of its efforts to reduce energy imports from a longer term perspective, as the COVID-19 has worsened geopolitical tensions and international trade disputes that will not be eased anytime soon, increasing China's energy security concerns," she said.

"China and Chinese, I am so thankful to you for the new ways of thinking you have opened my eyes to, and for making me contemplate more deeply the true meaning of 'compassion'."