'Hustle Up the Hancock' benefits fight against respiratory disease

April 13, 2014 2:07:41 PM PDT
More than 4,000 people climbed 94 flights of stairs and more than 1,600 steps Sunday as they made their way to the top of the John Hancock Center.

It was all part of the 17th annual Hustle Up the Hancock.

Proceeds from the climb go to the fight against respiratory disease.