Over 10 days I walked the height of Mount Everest (29,029ft) by only using stairs in London’s buildings. Ordnance Survey helped me map out my route and made this nifty calculator to compare stair-climbs to UK mountain heights.
Over 10 days I walked the height of Mount Everest (29,029ft) by only using stairs in London’s buildings. Ordnance Survey helped me map out my route and made this nifty calculator to compare stair-climbs to UK mountain heights.