The terrifying-looking hanging platforms often seen dangling from sheer cliffs are known as portaledges — specialized suspended shelters designed for climbers tackling some of the world’s most dangerous rock faces. Used during multi-day climbing expeditions, portaledges function as collapsible hanging tents that allow climbers to eat, sleep and survive while suspended high … [Read more...] about These hanging cliff “beds” allow climbers to sleep thousands of feet above the ground