from The New York Times
Along the Silk Road, China Begins to Guard Its Heritage
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As China ascends in terms of economic wealth, its heritage wealth becomes even more of a touristic draw and reaching potentially unsustainable (and self-destructive) levels. Hence, the efforts of the Getty Conservation Institute to put in place a set of China Principles.

"The China Principles, which generally update existing international conventions, enshrine conservation principles and mandate an interdisciplinary management process. They require a master plan that, for example, researches and sets visitor capacity limits. These guidelines have now largely been disseminated to the provinces, which are responsible for most heritage sites."