CN Tower fire. Moreover, other supertall structures built between 1967 and 1976 — such as the Willis Tower (formerly the Sears Tower), the World Trade Center (until its destruction on September 11, 2001), the Fernsehturm Berlin, the Aon Center, 875 North Michigan Avenue (formerly the John Hancock Center), and First Canadian Place — also have excellent safety records, which suggests that the Ostankino Tower accident was a rare safety failure, and that the likelihood of similar events occurring at other supertall structures is extremely low. The CN Tower was originally lit at night with incandescent lights, which were removed in 1997, because
Southwest Tower Building of Texas phone center to Sears Vinyl Siding. When it opened in 1972 it was considered the leading business tower in the city. (Austin American-Statesman November 18, 1972) The Southwest Tower Building was the site of a fire on Sunday, March 6, 2011. No cause has been given for the fire. Southwest Tower Building The Southwest Tower Building is a 12-storey, building at 211 East 7th St. in Downtown Austin, Texas and is located across the street from the historic Driskill Hotel and the modern Omni Hotel. On the edge of the E. 6th Street entertainment district and Congress Avenue,