In the heart of the Jordanian desert, the ancient city of Petra is full of mysteries. How was this architectural prowess achieved more than 2,000 years ago? © National Geographic。一艘外星飞船坠毁在沙漠中一个与世隔绝的小镇上。它被保护的内容被破坏,释放出一种潜伏的寄生虫,攻击包括人类在内的所有生物的大脑,使它们迷失方向,不自然地变得强壮。。