Business Executives abseil down London's tallest buildings for charity

The video covers an abseiling event involving 40 thrillseekers, including city bosses, who descended iconic London buildings like the Cheese Grater, Walkie Talkie, and Gherkin. Tracy Blackwell, CEO of Pensions Investment Corporation, shares her experience of facing fears during the descent. The event, organized by Outward Bound Trust with the Royal Navy and Royal Marines charity, aimed to build on previous fundraising successes. Participants covered nearly 2000 feet, and the event highlighted the importance of overcoming fears and supporting charitable causes.

What iconic buildings were mentioned in the text as part of the abseiling challenge?

How did Tracy Blackwell feel after completing the abseil?