Hoysaleswara Temple, India - Built with Ancient Machining Technology?

https://www.youtube.com/watch?v=qPn0NsZDtkk ,
http://www.phenomenalplace.com/2017/08/evidence-of-ancient-machining.html

http://www.phenomenalplace.com/2017/07/telescope-carved-in-ancient-indian.html

How does the Hanging Pillar of India work?

https://www.youtube.com/watch?v=r-kE4cQu_3c