Buddhas in Danger

By Liu, Melinda | Newsweek, December 24, 2012 | Go to article overview
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Buddhas in Danger


Liu, Melinda, Newsweek


Byline: Melinda Liu

And how holograms can help.

among china's greatest art treasures are the Buddhist caves near Dunhuang, an oasis on the fabled Silk Road that once linked China and Europe. Their ancient frescoes, sculptures, and other relics date as far back as A.D. 430 and have survived wars, environmental damage, antiquities hunters, and the chaotic Cultural Revolution. But their biggest threat today is tourism.

The UNESCO World Heritage site--which includes more than 700 caves, 2,400 clay sculptures, and 150,000 square feet of frescoes--has an optimal capacity of 3,000 people per day, but up to 8,000 visited the caves daily during holidays this year. The caves, also known as the Mogao Grottoes, have fragile ecosystems, and the buildup of humidity and carbon dioxide from visitors' breath can lead to flaking and discoloration of the delicate wall paintings.

In a bid to help preserve the caves, the Dunhuang Academy has settled on an innovative strategy: digitize them. The academy has been working with the Andrew W. Mellon Foundation and Northwestern University to create a digital archive of the caves using a camera with a billion-pixel resolution. The results will be used in the academy's planned $40 million visitor center--slated for completion next year--which will present virtual tours of the caves to save the real sites from wear and tear. The scope of the project is daunting. It takes 20 minutes to record a 30-square-foot fresco, and there are 492 caves with murals inside.

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