Discovery Channel documentary
When ancient war tactics became overwhelmed by powerful new weapons like tanks, air attacks, weapons of mass destruction and submarines, a pivotal game-changing moment in history occurred. History is delving into the background of each weapon explaining the how and why they were developed, the strategy, and their ultimate effectiveness.
From the churning interior to the oceans and life on land, view the world as it's never been seen before. Cutting-edge tools offer an inside look at Earth as it breathes, heals and flexes its muscles.
