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Jean Castex waves at the handover ceremony in the courtyard of the Hotel Matignon in Paris, France, on July 3, 2020. Jean Castex, a 55-year-old top civil servant not known to the French general public, was appointed new prime minister by President Emmanuel Macron to replace Edouard Philippe, the French presidential palace announced on Friday. (Photo by Aurelien Morissard/Xinhua)