[Urdu/Hindi] The Grand Canyon as a Time Machine | Kainaati Gup Shup

How do you explore the deep history of the Earth? One way is to let a river carve through rocks to expose billions of years of history. This is exactly what has happened at Grand Canyon located in Arizona, USA. In this episode of Kainaati Gup Shup, astrophysicist Salman Hameed visits the Grand Canyon and talks about its origins and what we can learn about its history. #grandcanyon…