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
Joshua Sears Building Joshua Sears Building The Joshua Sears Building is a historic building in Kirkland, Washington located at the northwest corner of Market Street and Seventh Avenue, Kirkland's historic commercial core. It is listed on the National Register of Historic Places. It was built in 1891 by Boston philanthropist and capitalist, Joshua Sears, who was heavily invested in Peter Kirk's Great Western Iron and Steel Company and who planned to open a bank in town. As a result of the Panic of 1893, the steel mill and the bank never opened but the Sears building survives today as a reminder of what