Article: Beijing, Oct 8 (PTI) Aerial photography has helped Chinese archaeologists shed new light on the capital of Kublai Khan's empire, also known as Xuanadu in Marco Polo's 'Travel Notes', state media reported today.

The description of the metropolis Shangdu (Xuanadu) by explorer Marco Polo some 700 years ago has been somewhat confirmed by aerial photography, director of centre of remote sensing and aerial photography of China's National Museum, Yang Lin said.

"We can see the spectacular city with its scale and the density of buildings," Yang said.

The ruins have been overgrown with grass for more than 600 years. Archaeologists have taken a large number of photos of the site in Zhenglan Banner in north China's Inner Mongolia Autonomous Region from planes flying at low altitudes in recent years.

By examining photos, archaeologists can tell the shape of the ...

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