Watch Albert Schweitzer

Five panels of the AIDS Memorial Quilt, and the five lives they were sewn for.

A Nigerian village builds a maternity hospital, filmed by the British Crown Film Unit at the end of empire.

Bernhard and Michael Grzimek count the herds from a zebra-striped aeroplane to argue for the park’s borders.

Two South Africans hunt for Rodriguez, a Detroit singer they think is dead.

Philippe Petit walks a wire between the Twin Towers in 1974, told as a heist.

Eight hours on Simpson, race and Los Angeles; the documentary that won an Oscar as a film.

Amy Winehouse in home videos and voicemails; Asif Kapadia's archive method again.

Alexei Navalny phones his own poisoner; the documentary made before his death.