Hanoi Residents Waiting for All-clear Siren in Sidewalk Manhole Shelters During Air-Rawid Alert, 1967

This image captures a stark reality of daily life in Hanoi, North Vietnam, in 1967 during the Vietnam War. The photo shows residents sheltering in narrow, chest-deep individual air-raid bunkers (often called “turtle-shell” shelters) dug directly into the sidewalks.