Toronto, Canada. 25th Apr, 2015. Participants climb the stairs during the 25th Anniversary Canada Life CN Tower Climb event in Toronto, Canada, April 25, 2015. Thousands of participants challenged the 1,776 steps
Step by step, thousands climb the CN Tower | CTV News
The EdgeWalk – Mystique Of Adventure
United Way's ClimbUP - United Way Greater Toronto
CN Tower - Wikipedia
Training Tips
Oops! A traffic jam on the CN Tower stairs – All Items – Digital Archive : Toronto Public Library
Record breaking CN Tower climb for WWF-Canada
The CN Tower has 1,776 steps & here's how you can climb them
How to climb the CN Tower Fast (Training Tips) - YouTube