The Silk Road, which is not a place but regarded as a journey - from the edges of the Mediterranean to the central plains of China, through high mountains and inhospitable deserts.
A new book 'The Silk Road: A Biography from Prehistory to the Present Day,' authored by Jonathan Clements, offers a chronological outline of the region's development and also provides an introduction to its languages, literature and arts.
He argues that historical accounts have an inevitable bias towards civilisations that leave a footprint and the Silk Road, therefore, is a slippery historical object.
"Entire civilisations have risen and fallen on the Silk Road leaving perilously little evidence of themselves," the book, published by Speaking Tiger, says.
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For thousands of years, the history of the Silk Road has been a traveller's history, of brief encounters in desert towns, snowbound passes and nameless forts. It was the conduit that first brought Buddhism, Christianity and Islam into China, and the site of much of the 'Great Game' between 19th-century empires.
According to the author, there is an undeniable romance to
the Silk Road.
"The sand gets everywhere, in tough scratchy grains like biscuit crumbs, and in faint dust like talcum. The black winds make everything grubby and scuffed. The glittering towers of the new cities will soon turn brown and dull. The new mosques and temples of the devout will lose their bright tiles. Life on the Silk Road is a constant, Sisyphean struggle, as it is at Dunhuang, to keep the sand at bay. Travel on it, and know that the wonders you see, and now, you yourself, are but a fragment of its rich history," he says.
There are odd dishes too like the one called da pan ji which is made of a chicken run over by a tractor and presented with a saucy stew piled high with onions and peppers.
"Even odder is apke or goat's head soup, which features much of the unfortunate animal's digestive system, from its lolling tongue still in its skull, all the way down to the reamed and re-stuffed intestines, which are turned into a long, meaty sausage coiled in a simmering broth," Clements writes.