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教科文组织制作,取材于教科文组织电视频道的现有录像制品。

27 October 2010, World Day for Audiovisual Heritage

Source: unesco | 23 October 2010 | 1555 views
Proclaimed by UNESCO in 2005, the Day raises awareness of the importance of audiovisual documents and draws attention to the urgent need to safeguard them.
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