What makes the Great Wall of China so extraordinary - Megan Campisi and Pen-Pen Chen
Watch video What makes the Great Wall of China so extraordinary - Megan Campisi and Pen-Pen Chen online, duration 04 minute 30 second in high hd quality that is uploaded to the channel TED-Ed 17 September 2015. Share the link to the video on social media so that your subscribers and friends will also watch this video. This video clip has been viewed 6 million times and liked it 77 thousand visitors.
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