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Tianjin has asked all taxi drivers and passengers to wear masks and taxi drivers to disinfect the car after taking each passenger.

He said China will unswervingly follow the path of peaceful development, safeguard world peace and promote common development.

The observatory so far has realized all-weather and high-density observation of more than 60 elements in 30 projects, including greenhouse gases, solar radiation, radioactive substances and precipitation, with more than 60,000 pieces of data collected every day. It has been sharing its data with international meteorological organizations since it was put into operation in 1994.

The draft should add more stipulations to help transform people's lifestyles and behaviors to better protect the river, Liu Yuting said.

Nurturing a smart economy is also on the government agenda. China has passed a guideline to boost the integration of AI and the real economy this year, and plans to build some 20 national AI innovative development pilot zones by 2023.