Saturday, he scaled most of a 388-meter (1,280-foot) steel tower in central China.
Robert has climbed more than 100 structures without ropes or other safety equipment, setting a record for "most buildings climbed unassisted" according to Guinness World Records.
On his website
, Robert says, "Climbing is my passion, my philosophy of life. Although I suffer from vertigo, although my accidents left me disabled up to 66%, I have become the best solo climber."
He encourages others by saying, "We set ourselves limits, but we are all strong enough to aim higher, to achieve our goals. All we have to do is find such strength within ourselves. Know how to develop it."