He adds that there is little evidence that wearing a mask will protect a person from catching the virus. But he says they are good if someone has the flu and wants to prevent giving it to someone else. That helps to keep others safe.
He also presided over a meeting after the tour to learn about the progress of work in Xiongan, including overall planning, land requisition and demolition; protection of the environment; and the development of the tourism industry and local people's living and working conditions.
He added that a draft national law on supervision was being reviewed.
Hazards for the Abaco Islands included storm surges 18 to 23 feet (5.5 to 7 metres) above normal tide levels with higher destructive waves, the Miami-based US National Hurricane Center (NHC) said.
He added "we will not spare any effort in boosting Tripoli's standing and it openness on Chinese markets and such an alliance will prepare it to become a special hub for cooperation with China within the Belt and Road initiative."
He also called for more cooperation between financial supervision institutions, public security departments, procuratorates, courts, and local governments to strengthen cooperation in forestalling financial risks.
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He also called for strengthening classification of cases based on their complexity and handling cases according to their classification.
He also pledged UNDP's support for China's initiatives in Africa, especially those programmes that are targeted at helping African countries achieve their Sustainable Development Goals.
He also predicted at the convention the global IoT market is expected to exceed trillion, with billions of connections by 2025.
He also said: "Artificial intelligence is a key factor, but it will work after a big data sharing platform is established for automakers and suppliers".