Dam collapse: the desperate search at Brazil's 'ground zero'
by Dom Phillips in Brumadinho from Environment | The Guardian on (#48BED)
More than 220 remain missing after an avalanche of liquid mining waste swept through the countryside of Minas Gerais
Helicopters clattered overhead as teams of men and sniffer dogs picked their way across the few areas of red mud solid enough to walk on. Other recovery teams gathered around a digger as its shovel scooped up the sludge and drained it, again and again.
Related: Brazil dam collapse: bodies pulled from toxic mud as hope fades for survivors
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