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Beginning May 10, a trial was carried out in waters 320 kilometers southeast of the Pearl River estuary. It achieved better-than-expected results, according to the China Geological Survey Bureau, which is under the Ministry of Land and Resources.
Beihai was the starting point of China's ancient marine Silk Road and played an important role in China's foreign trade more than 2,000 years ago. It produces seawater pearls, which local people harvested as early as the Qin and Han dynasties (221 BC-AD 220).
Beijing, Zhejiang and Sichuan provinces, along with Shanghai, also made it into the top five provinces or municipalities for facility growth.
Behind the trend is a huge, and still flourishing, online education sector in China. It offers graduates a high salary and a potential for more growth.
Because of the coronavirus epidemic, the reserve has limited the flow of visitors to 50 percent of its maximum daily average capacity. Visitors are required to scan the Guizhou health code they hold, have their body temperature measured and undergo disinfection with alcohol before entering.
来源：资阳报