七零:退伍糙汉抱哄软娇小知青

　　Experts look at engineering blunders that have either caused catastrophes or are disasters waiting to happen. They use cutting-edge technology to examine what went wrong and to figure out if they can be fixed. 　　S6 E1 - Texas Fertilizer Catastrophe 　　S6 E2 - Miami's Condo Catastrophe 　　S6 E3 - Jacksonville's Garage Disaster 　　S6 E4 - Memphis Bridge of Doom 　　S6 E5 - Texas Oil Port Infern... (展开全部)