Show vast areas still unknown david george hogarth the geobra pher and explorer said that in western asia there are vast areas on which no european foot Is known to have trod nor even any european eye to have looked the greatest unseen area lies in arabia almost all the southern half of arabia Is occupied according to native report by a vast wilderness called generally ruba el khall dwell ing of the void no european has ever entered this immense tract which embraces some square miles it would take a bold man to venture out for the passage of either miles west to east or north to south in the isothermal zone of the world s greatest heat |