https://resourcehub01.blob.core.windows.net/$web/Policy%20and%20Guidance/corepeacekeepingguidance/Thematic%20Operational%20Activities/Police%20and%20Law%20Enforcement/2020.03%20United%20Nations%20Military%20Engineer%20Unit%20CET%20Search%20and%20Detect%20Manual%20(Chinese).pdf