Brazil's Black Blocs and black gold

The weather has been pretty inclement in the south-eastern corner of Brazil over the last couple of weeks.

Temperatures fluctuate wildly from one day to the next. Dark clouds roll menacingly across the sky and we have had several consecutive days of heavy rain in Rio de Janeiro area.

As we move, moodily from one season into the next - there is a similarly dark, tempestuous mood on the streets. READ MORE