Residents of São Paulo, the richest state in Brazil, still struggle with the effects of last year's drought - the worst in eight decades. On the brink of collapse, the Cantareira reservoir system reached record-low capacity and put pressure on other water supply systems. Residents hope that a new 10km pipeline will prevent the need for an official rotating water cutoff. (Video by Ana Terra Athayde / Additional camera by Rachel Vianna) (Source: Bloomberg)