factual / 9pm / BBC4
what do you do when you live so far down in the ocean that light is scarce, or perhaps entirely absent? You make your own, of course. In this illuminating voyage beneath the waves, David Attenborough narrates the adventures of a crew filming creatures who never see the light of day, in a vast underwater canyon in Monterey, California. What will the intrepid explorers find down there?
Let there be light: A bioluminescentjellyfish