the video was taken in The University of Petroleum and Energy Studies is a private university in Dehradun 2012 its been 10 years
coroplast model
https://www.youtube.com/watch?v=-08Iir0aYbc
Very nice 👍
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https://www.youtube.com/watch?v=mlsV9PQ2B0w&t=230s
https://www.youtube.com/watch?v=UTSjFpHMfOM&t=25s
https://www.youtube.com/watch?v=gn0aCkAGsl0&t=95s