Restaurants built under railway tracks. Photographer: Noriko Hayashi/Bloomberg
(Bloomberg) -- Tokyo is a city of two faces. Major central planning efforts have made Japan’s capital one of the safest, cleanest and most public-transit oriented cities in the world. Yet its labyrinthian network of streets, restaurants hidden in dark alleyways and entire buildings filled with a medley of shops reveal another side of the city that is more spontaneous and idiosyncratic.