David Attenborough explores a mysterious labyrinth containing caverns large enough to hold St. Paul's Cathedral. It is home to millions of bats and swiftlets, where men risk their lives to collect ingredients for bird's nest soup.
David Attenborough explores the site of the world's largest recorded explosion, where men labour in harsh conditions to collect sulfur. The presence of rare butterflies, orangutans, and insect-eating plants show it to be far from lifeless.
On Borneo's shores, mangrove swamps creep toward the sea. Mudskippers and fiddler crabs thrive on open mud. Storks, lizards and king crabs flourish further inland. Snakes, ants, and proboscis monkeys prosper in the semi-submerged forest.
David Attenborough explores a vast jungle canopy, where new plant species continue to be discovered. The animal life is equally astounding, with all kinds of flying creatures, including an enormous colony of flying foxes in a swamp forest.
In the hot and humid Borneo jungle, David Attenborough encounters moon rats, pangolins, tarsiers, leaf-weaving ants, a bizarre burrowing lizard and the world's largest flower. He also meets the pale-skinned blowpipe-making Punan tribe.
The Toraja people, natives of the South Sulawesi mountains, construct boat-shaped houses and cultivate fields with buffalo. Their elaborate funeral ceremonies involve year-long vigilance, and burial sites that are carved into high cliffs.
