In ancient times watchman would mount the city walls in times of stress to survey the scene outside the fortifications. He was situated on a spot from which he could monitor the approaches to the town. If a threat appeared, he would sound a warning and the town would shut its gates and prepare for battle.
Showing posts with label Human experimentation. Show all posts
Showing posts with label Human experimentation. Show all posts
Sunday, January 13, 2013
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