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Xihaigu was an oasis in the Eastern Han Dynasty (A.D. 25-220) until changes to the climate and human activities like excessive logging and land reclamation turned it into an inhospitable area with a fragile ecological environment.
It has invested nearly 30 percent of its annual revenue in research and development over the past five years, Chen said.
In their battle against the COVID-19 epidemic, by the end of June, charity organizations at all levels nationwide had received nearly 39.63 billion yuan (about 5.88 billion U.S. dollars) in donations and 1.09 billion items of urgently needed supplies, according to the report.
When holding talks with Zarif, Wang said China is willing to strengthen cooperation with Iran in fields including the fight against COVID-19, and jointly defend multilateralism. China will continue to promote the implementation of the comprehensive agreement on the Iranian nuclear issue and UN Security Council Resolution 2231.
Shang Yuying, deputy secretary-general of the Shanghai municipal government, said measures used in the last two editions as well as COVID-19 epidemic prevention and control measures will be combined to better the experience of exhibitors and visitors at the third CIIE.
来源：资阳报