Adventurer Guy Grieve and primatologist Dr Julie Anderson spend six weeks in the Central African rainforest, trying to save one of the world's rarest monkeys. Their home is an amazing treehouse, high in the canopy, which allows them unique access to the monkey's world.

Adventurer Guy Grieve and primatologist Dr Julie Anderson spend six weeks in the Central African rainforest, trying to save one of the world's rarest monkeys. Their home is an amazing treehouse, high in the canopy, which allows them unique access to the monkey's world.

Adventurer Guy Grieve and primatologist Dr Julie Anderson spend six weeks in the Central African rainforest, trying to save one of the world's rarest monkeys. Their home is an amazing treehouse, high in the canopy, which allows them unique access to the monkey's world.

Adventurer Guy Grieve and primatologist Dr Julie Anderson spend six weeks in the Central African rainforest, trying to save one of the world's rarest monkeys. Their home is an amazing treehouse, high in the canopy, which allows them unique access to the monkey's world.

Adventurer Guy Grieve and primatologist Dr Julie Anderson spend six weeks in the Central African rainforest, trying to save one of the world's rarest monkeys. Their home is an amazing treehouse, high in the canopy, which allows them unique access to the monkey's world.