They passed for some hours through a high terrain overgrown with vicious scrub. All of the large trees seemed to have been cut down long ago and never grown back. Just when Jack was convinced that they were utterly lost in the most God-forsaken part of the world, he smelled camels, and they stumbled upon a caravan of Persians headed the same direction. This was a bit like running into a clan of kilted Scotsmen in the middle of the Sahara Desert.