Map of Zeppelin and aeroplane bombs on London. From: World War I photograph album (1919) by Herbert Green. Original from… https://www.rawpixel.com/image/2038866/map-zeppelin-and-aeroplane-bombsFree Image from public domain licenseMilitary man wearing AR glasses futuristic technology https://www.rawpixel.com/image/14916140/military-man-wearing-glasses-futuristic-technologyView license