With poor public transport and jammed roads, cars are a status symbol in Brazil – and the more powerful, the better. And with 46 million cars, there's nearly one for every four people. But why do people dream of buying a SUV if they'll only drive it to the shop round the corner?

In the past five years, 210,000 people in São Paulo swapped their houses for flats. The idea of buying into an estate is increasingly appealing to people across backgrounds, ages and classes, but why are they choosing to make their homes in condos rather than traditional houses?

Brazil is home to 21 of the 50 most dangerous cities in the world, and as trust in the government diminishes, citizens are rallying around the #VemPraRua movement in a bid to reclaim public spaces. How is social media enabling urbanites to shed their fears and embrace their communities?

CCTV surveillance is almost inescapable in modern Britain. Yet despite calls for a curb on cameras, more and more are being installed – and not just by local authorities, but by regular citizens too. Are we feeling more vulnerable in our homes? And does CCTV actually make us feel safer?