课件编号 | 42346 |
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创建日期 | 2015-2-3 |
修订版本 | 1 |
语言种类 | 英语 |
一级分类 | Scientific American Podcast |
二级分类 | 60-Second Science |
课件名称 | 20150202-Save Libyan Archaeology Plea Issued |
简要描述 | Savino di Lernia, director of the Archaeological Mission in the Sahara at the Sapienza University of Rome, says violence and unrest threaten World Heritage sites and researchers. Cynthia Graber reports. |
课件预览 |
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