Ground plan of Sanaa
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 „I would have wished to draw a ground plan of this city, too. But whenever I entered the street I was immediately surrounded by curious people and escorted everywhere. Under these circumstances I didn’t consider it adviseable to look often at the compass and to note down the lines and angles. In order to give, for now, a better concept of the site of this famous city, I drafted one on plate LXX.“ Carsten Niebuhr's travel accounts 
 
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last update
            2/3/2012