Tokyo's famous Shibuya district was flooded by costume-clad Halloween revelers on Wednesday, forcing police to dispatch several hundred officers in preparation for a possible repeat of the past weekend's antisocial behavior.The famous scramble crossing and shopping district near JR Shibuya station were packed with people dressed in all manner of elaborate costumes, including witches, zombies and characters from popular video games."It's good to have fun while remaining well-behaved," said Akane Tamana, a 21-year-old university student dressed as Mario from the cult hit Super Mario Bros vide…READ FULL ARTICLE