Japan will use ninja to help boost tourism over next few years. Ninja will promote Japan and ninja culture in run-up to 2019 Rugby World Cup and 2020 Tokyo Olympics. Ninja are famous symbol of Japan and many people around world know about these dark-clothed figures who are great at fighting and can run across rooftops at great speed. Several ninja gave example of their skills on Wednesday when group of them "sneaked" into office of Japan's Prime Minister Shinzo Abe. This was start of the ninja tourism campaign. Mr Abe joked with ninja. He said: "Even though you're all wearing such bright colors, you were still able to slip through the tight security of my office."
A ninja was kind of secret agent, spy and fighter in Japan. He or she was specialist who was skilled in many areas. The main functions of ninja included assassination, fighting, infiltration (getting into enemy area or building), sabotage and spying. first ninja appeared in 15th century when they helped warlords win land and get more power. In 19th century, ninja became popular figures in art, literature and early manga. Artists and writers surrounded them in mystery and gave them legendary abilities, such as invisibility, walking on water and being able to control natural elements. Today we see them around world in movies, cartoons, comics, games and manga.