Nik Wallenda walks a tightrope across the Chicago River from Marina City to the Leo Burnett Building in Chicago on Sunday, Nov. 2, 2014.
Nik Wallenda walks a tightrope across the Chicago River from Marina City to the Leo Burnett Building in Chicago on Sunday, Nov. 2, 2014. Brian Cassella MCT
Nik Wallenda walks a tightrope across the Chicago River from Marina City to the Leo Burnett Building in Chicago on Sunday, Nov. 2, 2014. Brian Cassella MCT