Brazilís exemplary megalopolis, Curitiba. A city of three million
people where, in a recent survey, 99% of the people asked said they
were happy with the city. This is quite impressive for a sprawling
modern city where public transport pays for itself and runs on
time. Olivia speaks to Jaime Lerner, the wizard behind this emerald
city where people and sheep live happily side by side.