Cosplay
Recently, japan is famous for anime, otaku and also cosplay. people enjoy cosplaying in Harajuku and Akiba, no matter how old they are. Japanese image has changed, but Otaku culture and cosplay culture is good chance for foreign people to take interest in Japan. so I think it is good.
Homeless people
There are a lot of homeless people in Shibuya. I often avoid homeless people, so I never thought them like this movie. but actually they may be cool.