A very 21st Century piece of tech is being called in to save the crumbling Great Wall of China.
from BBC News - World https://ift.tt/2QfWjbS
21 November 2018
Drones called in to save the Great Wall of China
Hi..!
My name is Muhammad farooq Tayyab. I am doing PSDF training for web development.I love to code.
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