This picture taken on July 14, 2021 shows Michiko Takeuchi (C) picking up after her four-year-old male dog Kojiro, a mix of toy poodle and Maltese, as her son Kento Takeuchi (R) looks on during the morning "Wan-Wan Patrol" to an elementary school in Tokyo. - Some 150 pups form the local Wan-Wan Patrol, a programme that enlists dogs and their owners to turn their daily walks into a neighbourhood watch, monitoring children, looking out for local residents and helping deter crime. (Photo by Philip FONG / AFP)