Megastructures

Tall Stories
Tall Stories
Tall Stories NEWSCIENCE Picture in your mind the skyline of downtown Toronto. There\'s the CN Tower, of course, and the 72-floor First Canadian Place, the city\'s tallest skyscraper. Cascading from there are the assorted banks and hotels and insurance towers. Now, use your imagination to construct some new buildings, these ones reaching three, four and five times higher than the others. Top it all off with a skyscraper one mile high (three times as high as the CN Tower). Sound fanciful? It did 3