Eugène Hénard’s urban concept “around” the Eiffel Tower, 1910.
“From out the centre of the city's heart there will arise the colossal orientation tower, soaring to a height of five hundred metres, and crowned by a powerful beacon light. At the base of the tower the historical portion of the city will nestle, with its monuments of bygone days, its old houses, and all its artistic and traditional treasures. Around this there will be a girdle of great towers--each one from two hundred and fifty to three hundred metres in height--to warn off aviators from the forbidden area. These erections, each of a very different form and readily to be distinguished the one from the other, might be eight in number and placed at the cardinal points of the compass. Beyond them would come an annular zone of flat-roofed houses, this zone measuring from two to three kilometres in width: and above it aeroplanes of the bee-type would be permitted to float from terrace to terrace. [...] “
