Ninja will increase tourism in Japan for the 2020 Tokyo Olympics. Ninja are a symbol of Japan. They are good at fighting and running across rooftops. Some ninja showed their skills and got into the Prime Minister's office. He said: "You're all wearing...bright colors, but you were still able to slip through the tight security."
A ninja was a spy and fighter 600 years ago. They were good at killing, fighting and spying. They helped their lords win land and power. Artists and writers gave ninja great abilities, like being invisible, walking on water and controlling fire. Today they are in movies, cartoons, comics, games and manga.