FILE - Passengers wearing masks as a precaution against the new coronavirus line up to check in for a flight to Vladivostok, Russia, at the Pyongyang International Airport in Pyongyang, North Korea, March 9, 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/Jon Chol Jin, File)