China is building what is believed to be the world’s biggest military command center on the outskirts of Beijing. The new site for the PLA is ten times the size of the Pentagon with satellite images revealing deep underground networks believed to contain bunkers. WSJ explains how this new base could reshape the global security landscape as China hopes to modernize its military like the U.S., NATO countries and Russia. Chapters: 0:00 China’s new military command center 0:34 What is this? 1:43