Mike de Gruy and Kate Humble lead an international team of scientists and divers as they search for species new to science in the Amazon River. The team explores a 90-metre chasm.
29-05-2019
BBC 4
Mike deGruy and Kate Humble lead an international team of scientists and divers as they search for species new to science in the Amazon River. But the darkness hides many dangers.
22-05-2019
BBC 4