(BOULDER Colo., February 9, 2005) Sean Swarmer heads out for a training hike in Red Rocks, City of Boulder Open Space, February 9, 2005. He is a cancer survivor and is climbing the highest summit in each of the seven continents. (Photo by KEN PAPALEO/R
(BOULDER Colo., February 9, 2005) Sean Swarmer heads out for a training hike in Red Rocks, City of Boulder Open Space, February 9, 2005. He is a cancer survivor and is climbing the highest summit in each of the seven continents. (Photo by KEN PAPALEO/R, [431649382] . Denver Public Library Digital Collections, accessed 08/02/2026, https://digital.denverlibrary.org/nodes/view/737277