Tony Beamish's journey through jungles of Central Malaya in search of the famous Rajah Brooke's birdwing butterfly and the flying kubong, one of the most mysterious animals in the world.
Two men, Aldo Sillanoli and Jean Cadoux, make an expedition to the sources of the Germe-'the river without stars': a remarkable film made in the limestone caves of eastern France by members of the Caving Group of the French Alpine Club.
June Toulmin explores a tunnel through a mountain on the tiny island of Samos which was constructed 2,500 years ago on the orders of Polycrates, a pirate chief, to bring fresh water to his fortress by the harbour.
Remarkable ceremonies recently filmed on the island of Haiti. Industrial society has turned the Voodoo loa, originally the strange gods of an African tribe, into contemporary deities who take possession of their worshippers.