People dressed as witches, zombies and "anime" cartoon characters restored Japan's keep-it-clean image after another night of Halloween revelry in Tokyo's Shibuya Ward on Wednesday.After a weekend of partying that generated negative headlines over antisocial behavior and the mountain of garbage left strewn in the streets, revelers took part in the type of clean-up operation that Japanese are internationally so well-known and respected for at soccer World Cup stadiums.Nail artist Minami Suzuki, 27, who heard about the garbage problem in the news, said she helped pick up trash "because I want…READ FULL ARTICLE