If Treasures Could Talk: What would Longshan Eggshell Black Pottery Cup say?

The fourth episode of CGTN's special series "If Treasures Could Talk" features the Longshan Eggshell Black Pottery Cup, which is accurate to two-tenths of a millimeter. How would you define "thin?" As thin as a cicada's wing? As the edge of a coin? Can one centimeter be considered thin, or one millimeter? Or a fifth of a millimeter? Subscribe to us on YouTube: https://goo.gl/lP12gA Download our APP on Apple Store (iOS): https://itunes.apple.com/us/app/cctvn... Download our APP on Google Play (Android): https://play.google.com/store/apps/de... Follow us on: Facebook:   / chinaglobaltvnetwork   Instagram: https://www.instagram.com/cgtn/?hl=zh-cn Twitter:   / cgtnofficial   Pinterest:   / cgtnofficial   Tumblr:   / cctvnews   Weibo: http://weibo.com/cctvnewsbeijing