A protestor confronts policemen during a demonstration against pension reform in Lille, north France, Jan. 9, 2020. France's transport strike against President Emmanuel Macron's plan to overhaul pension system has entered its 36th day on Thursday, making it the longest rail workers' strike since May 1968. (Photo by Sebastien Courdji/Xinhua)

Demonstrators are dispersed by policemen during a demonstration against pension reform in Lille, north France, Jan. 9, 2020. France's transport strike against President Emmanuel Macron's plan to overhaul pension system has entered its 36th day on Thursday, making it the longest rail workers' strike since May 1968. (Photo by Sebastien Courdji/Xinhua)

Policemen keep guard during a demonstration against pension reform in Lille, north France, Jan. 9, 2020. France's transport strike against President Emmanuel Macron's plan to overhaul pension system has entered its 36th day on Thursday, making it the longest rail workers' strike since May 1968. (Photo by Sebastien Courdji/Xinhua)

Policemen keep guard during a demonstration against pension reform in Lille, north France, Jan. 9, 2020. France's transport strike against President Emmanuel Macron's plan to overhaul pension system has entered its 36th day on Thursday, making it the longest rail workers' strike since May 1968. (Photo by Sebastien Courdji/Xinhua)

Policemen keep guard during a demonstration against pension reform in Lille, north France, Jan. 9, 2020. France's transport strike against President Emmanuel Macron's plan to overhaul pension system has entered its 36th day on Thursday, making it the longest rail workers' strike since May 1968. (Photo by Sebastien Courdji/Xinhua)

Policemen keep guard during a demonstration against pension reform in Lille, north France, Jan. 9, 2020. France's transport strike against President Emmanuel Macron's plan to overhaul pension system has entered its 36th day on Thursday, making it the longest rail workers' strike since May 1968. (Photo by Sebastien Courdji/Xinhua)

Policemen disperse demonstrators during a demonstration against pension reform in Lille, north France, Jan. 9, 2020. France's transport strike against President Emmanuel Macron's plan to overhaul pension system has entered its 36th day on Thursday, making it the longest rail workers' strike since May 1968. (Photo by Sebastien Courdji/Xinhua)

Policemen keep guard during a demonstration against pension reform in Lille, north France, Jan. 9, 2020. France's transport strike against President Emmanuel Macron's plan to overhaul pension system has entered its 36th day on Thursday, making it the longest rail workers' strike since May 1968. (Photo by Sebastien Courdji/Xinhua)

A protestor confronts policemen during a demonstration against pension reform in Lille, north France, Jan. 9, 2020. France's transport strike against President Emmanuel Macron's plan to overhaul pension system has entered its 36th day on Thursday, making it the longest rail workers' strike since May 1968. (Photo by Sebastien Courdji/Xinhua)

Policemen keep guard during a demonstration against pension reform in Lille, north France, Jan. 9, 2020. France's transport strike against President Emmanuel Macron's plan to overhaul pension system has entered its 36th day on Thursday, making it the longest rail workers' strike since May 1968. (Photo by Sebastien Courdji/Xinhua)

Policemen keep guard during a demonstration against pension reform in Lille, north France, Jan. 9, 2020. France's transport strike against President Emmanuel Macron's plan to overhaul pension system has entered its 36th day on Thursday, making it the longest rail workers' strike since May 1968. (Photo by Sebastien Courdji/Xinhua)