The former head of the UNESCO World Heritage Centre, which oversees heritage sites, is Francesco Bandarin, a Venetian who now serves as UNESCO's assistant director-general for culture.

负责监督遗产地的联合国教科文组织世界遗产中心的前负责人是弗朗西斯科·班达林，他是威尼斯人，现在担任联合国教科文组织文化事务助理总干事。

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"They are a unique part of the nation's natural heritage, " says Gary Frazer, an assistant director of the U.S. Fish and Wildlife Service, which oversees them.

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Francesco Bandarin , UNESCO Assistant Director General for Culture, will talk about ways to improve and extend the protection of cultural heritage around the world.

UNESCO: Lecture: Heritage and Conflict

Without question, the documentation, protection and presentation of heritage sites requires the support of science and technology, said Ms Gretchen Kalonji, Assistant Director-General for Natural Sciences.

UNESCO: NATURAL SCIENCES