FILE - Students wearing face masks take a class at Kim Song Ju Primary School in Pyongyang, North Korea, on June 3, 2020. North Korea is putting surveillance cameras in schools and workplaces, and collecting fingerprints, photographs and other biometric information from its citizens in a technology-driven push to monitor its population even more closely, a report said Tuesday, April 16, 2024. (AP Photo/Cha Song Ho, File)