Check out the October 2009 issue of National Geographic. It features an article on California redwoods with several photos of climbers on some tall ones.
http://ngm.nationalgeographic.com/2009/10/redwoods/bourne-text
Click on Redwood Portrait for a great photo of climbers on a 300 footer.
xtm
http://ngm.nationalgeographic.com/2009/10/redwoods/bourne-text
Click on Redwood Portrait for a great photo of climbers on a 300 footer.
xtm