6013868 A camp on Mount Everest, showing the formidable nature of the surface which the climbers had to face (b/w photo) by European Photographer, (19th century); Private Collection; (add.info.: A camp on Mount Everest, showing the formidable nature of the surface which the climbers had to face. Illustration for More Heroes of Modern Adventure by T C Bridges and H Hessell Tiltman (Harrap, 1929).); by Look and Learn.