- chicago.curbed.com 2018/5/16/17360244/400-lake-…The SOM-designed project brings Chicago’s tradition of terra cotta construction into the 21st century.
- web.archive.org web/20090816050127/http://www.…'A twisting 2,000 foot tall tower on the shore of Lake Michigan at the mouth of the Chicago River, the Chicago Spire will house 1,200 exeptional residences...
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- lynnbecker.com repeat/calatravachicago/…Some big changes at Santiago Calatrava's proposed 2,000 foot-high Chicago Spire raises the question of whether the city has enough megamillionaires to absorb its...
- dezeen.com 2018/10/31/400-lake-shore-drive-david-…The controversy surrounding Santiago Calatrava's Chicago Spire site continues, as the city stalls the pair of skyscrapers proposed by SOM's David Childs...
- commons.wikimedia.org wiki/Category:Chicago_Spire
- orangesmile.com extreme/ru/forgotten-buildings/…
- ru.wikiital.com wiki/Chicago_Spire