请调整浏览器窗口大小或者请使用手机查看!
From doomed voyages across continents and oceans to covert CIA operations, these missions show that no matter how much preparation and planning are done, things can still turn deadly.
From ancient war machines to devastating weapons of mass destruction, these are the innovations that changed warfare and rank among history's deadliest.
Whether it's a cost-cutting move to save on some of the Titanic's three million rivets, or a shortcut taken while building a gladiator stadium in ancient Rome, it takes just a little carelessness to trigger the deadliest engineering failures in history.