Page:The Outline of History Vol 1.djvu/667

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ate and how he paid his expenses—details precious to the historian; nevertheless, he gives us a series of illuminating flashes upon China, Central Asia, and India in the period now under consideration.

His journey was an enormous one. He went and came back by way of the Pamirs. He went by the northern route, crossing the desert of Gobi, passing along the southern slopes of the Thien Shan, skirting the great deep blue lake of Issik Kul, and so to Tashkend and Samarkand, and then more or less in the footsteps of Alexander the Great southward to the Khyber Pass and Peshawur. He returned by the southern route, crossing the Pamirs from Afghanistan to Kashgar, and so along the line of retreat the Yueh Chi had followed in the reverse direction seven centuries before, and by Yarkand, along the slopes of the Kuen Lun to rejoin his former route near the desert end of the Great Wall. Each route involved some hard mountaineering. His journeyings in India are untraceable; he was there fourteen years, and he went all over the peninsula from Nepal to Ceylon.

At that time there was an imperial edict forbidding foreign