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BEIJING, Sept. 20 (Xinhua) -- Chinese Vice Premier Hu Chunhua has called for efforts to ensure the complete success of the International Horticultural Exhibition 2019 Beijing as the expo draws to a close.

Then Xi took the subway heading for the Beijing Daxing International Airport.

The carrier rocket was developed by the China Academy of Launch Vehicle Technology, and the satellites were produced by the Harbin Institute of Technology and operated by the Zhuhai Orbita Aerospace Science and Technology Co. Ltd.

A photo exhibition was also held at the reception. Dozens of photos told the stories of China's development and the two countries' friendship in the past decades.

Wong Kam-leung, chairman of Hong Kong Federation of Education Workers, said that the violence in Hong Kong has been escalating over the past two months and he was distressed to see young people using force and violating laws.