FILE PHOTO: Schoolchildren, wearing protective face masks, work in a classroom at the College Jean Renoir Middle School in Boulogne-Billancourt, near Paris, France, January 7, 2022. REUTERS/Yiming Woo
FILE PHOTO: Schoolchildren, wearing protective face masks, work in a classroom at the College Jean Renoir Middle School in Boulogne-Billancourt, near Paris, France, January 7, 2022. REUTERS/Yiming Woo