20/11/2019 GMT

Episode 4 of 6

Six films about female photographers who have offered glimpses into rarely-seen lives.

Six films about female photographers who have offered glimpses into rarely-seen lives, including Saudi women behind the closed doors of their homes, people on the margins of society in Pinochet's Chile, and residents of one of the world's most isolated cities - where each winter the sun doesn't rise for two months.