A police officer uses his shield to avoid a stone thrown by youths during a demonstration Thursday, April 6, 2023 in Paris. Hundreds of thousands of people are expected to fill the streets of France Thursday for the 11th day of nationwide resistance to a government proposal to raise the retirement age from 62 to 64. The furious public reaction to the plan has cornered and weakened French President Emmanuel Macron. (AP Photo/Christophe Ena)