From collecting water from roofs to solve water shortages to training police in martial arts to combat criminals, listen through to simple ideas and solutions that could contribute to the formation of a perfect country...
Rainwater is collected from roofs, drains into a tank and is then pumped towards taps
Economic growth benefits the poorest families in Peru
Futons and martial arts-trained police play a part in Japan's low gun crime
A Muslim country with a cosmopolitan outlook, Tunisia is both liberal and conservative
Becoming a maths master is within reach for every pupil taught this way
Anti-smoking messages come at Australians from all angles. Only 13% of them smoke
