on a scorching summer day, oskar prepares to give a death-defying performance that will be broadcastevision. the location for the stunt? a vast ravine in the south of china extending 2300 feet across. instead of the wire normally used in his acts, he is challenged to walk the existing cable car wire. slick in areas with oil, positioned 700 feet above the ground. increasing the risk of this feat, aisikaier is walking not only backward, but blindfolded. >> translator: the skill of walking the tight rope backwards and blindfolded, we want to spread it. we want to amaze our audience of dowaze. the plan was i walk backward and blindfolded until i reach the middle 200 meters where there's water beneath. i said please notify me once i reach the middle part so i can turn and walk forward. they agreed. my plan was simple at the time. when the performance started, they changed their mind. they think that when you turn around, it announces your failure. what they said put a lot of pressure on me. i don't want to fail. >> tasked with walking the entire length backward and blindfolded on the cabl