乌鸦的翅膀大多都是黑色或灰色，但是也有少量其他颜色的。乌鸦都是鸣禽动物，它们都十分聪明，通常是天生的飞行员。

What if a web cast, LIVE on Halloween, turned out to be a real life survival game? What if the people hunting them are a rogue military? What if all eyes from the around the world are tuned in, and with a short window of time, officials need to find out where this broadcast is taking place? With all of technology taken…