Rama Setu (Adam's Bridge)

 " Scientific explanation with proof" on YouTube

https://youtu.be/rMeAw-gZ1PQ

 "The Discovery of 1,750,000 Year Old Man Made Bridge (DOCUMENTARY)" on YouTube

https://youtu.be/IwmSFDA8jm8

"10 Incredible Facts about RAMA Setu you should know." on YouTube

https://youtu.be/rbrdR82jx5g