दुनिया की सबसे कीमती चीज़ क्या है? | Most Valuable thing in the World

In this video we take a dive into the world of the richest and learn the estimated cost of different materials in the world. We also talk about the costliest, precious and most expensive metals. The most expensive thing in the world cannot be purchased by any millionaire or billionaire in America, Dubai or anywhere else! But maybe we will have the technology to boost it's production in a while and that can truly benefit science! Watch the entire video to know more -