date:Aug 28, 2014
It is a hot winter afternoon and vehicles are moving slowly and uninterruptedly through the streets and alleys of the huge city of Sao Paulo, South America's most important business hub and one of the cities with the worst road traffic in the world.
Long distances between the city's main points of interest and constant bottlenecks force business travellers to spend long hours travelling by taxi, which should not only be seen as a means of transport, but also as a source of information. If you a