Guardian of Dunhuang murals shares secrets of heritage protection
chinadaily.com.cn |
Updated: 2018-12-27 17:30
They also need to monitor the real-time concentration of suspended particulate matter in the air and collect samples of air microorganisms. [Photo/chinadaily.com.cn]
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Copyright 1995 - . All rights reserved. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC). Without written authorization from CDIC, such content shall not be republished or used in any form. Note: Browsers with 1024*768 or higher resolution are suggested for this site.