CNN New Day Sunday February 9, 2014 11:59:00
Grand canyon. nik wallenda has traversed some tricky terrain. but wallenda says every walk has its unique set of challenges, including those indoors. >> because of all of the curtains in the way, there's a lot of trussing and lighting that was in the way, we had to angle them at funky angles. the wire moves a little bit more. you don't know what to expect until you get out of there. >> his walk was part of the winter jam, a christian concert series, and one spectator was praying for a safe finish. >> i was just like, oh, my gosh, you're going to die, you're going to die, you're going to die, a...