Brad Pitt and Angelina Jolie arrived at London's Euston Station this morning ready to hop on a train to Glasgow. Angelina lead Vivienne, Shiloh, and Maddox on board while Brad watched as Knox, Zahara, and Pax hopped out of their SUV and made their way to the platform. The group of eight arrived at their destination a few hours later on a private Virgin train they hired for the voyage. Production on Brad's World War Z is moving north to Scotland after a few weeks of shooting in Cornwall. Angelina and their kids had gotten used to life around London, hitting their favorite toy shop, taking in West End shows, and hanging out together in the neighborhood of Richmond. Despite work not yet being completed on his zombie flick, Brad's already looking toward his next project. There's news Brad Pitt may star in The Gray Man, an adaptation of a popular book written by Mark Greaney.