Blind and paralyzed, an adventurer takes new steps

By Azadeh Ansari, CNN

Updated 1149 GMT (1949 HKT) October 9, 2015

Mark Pollock competition training with a hand-bike in Norway in 2010. Although he was blind, sports became a passion for him.
Photos: The incredible life of Mark Pollock
Mark Pollock competition training with a hand-bike in Norway in 2010. Although he was blind, sports became a passion for him.
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Pollock was captain of the Trinity College Dublin boat club. A world-class rower, Mark went on to win silver and bronze medals rowing for Northern Ireland in the 2002 Commonwealth Games.
Photos: The incredible life of Mark Pollock
Pollock was captain of the Trinity College Dublin boat club. A world-class rower, Mark went on to win silver and bronze medals rowing for Northern Ireland in the 2002 Commonwealth Games.
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Mark spent 16 months recovering in the intensive care unit after his fall from a second-story window in London in the summer of 2010. The accident left him paralyzed from the waist down.
Photos: The incredible life of Mark Pollock
Mark spent 16 months recovering in the intensive care unit after his fall from a second-story window in London in the summer of 2010. The accident left him paralyzed from the waist down.
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Pollock now trains four hours a day, four times a week using a combination of aggressive physical therapy and cutting edge robotic technology.
Photos: The incredible life of Mark Pollock
Pollock now trai