[00:00.010]The markets bring the mountain tribes together.
[00:21.490]To continue his expeditions, Rock had to get his entire entourage across the giant Yunnan rivers.
[00:29.000]He commissioned especially thick ropes made from forest rattan and filmed the entire event.
[00:38.000]With yak butter to smooth the ride, 40 men and 15 mules made the journey.
[00:44.000]Not all made it across.
[00:50.000]On the far side of the great Nujiang gorge, the Plant Hunters made a remarkable discovery.
[01:00.000]Far from the tropics,they seemed to be entering a steamy, vibrant tropical jungle, the forest of Gaoligongshan.
[01:17.000]The flora here is unlike anywhere else in the world.
[01:24.000]Next to subtropical species, alpine plants grow in giant form.
[01:28.000]Crowning the canopy, rhododendrons, up to 30 metres high.
[01:40.000]In April and May, their flowers turn the forests ruby red, attracting bird species found only here

The markets bring the mountain tribes together.
To continue his expeditions, Rock had to get his entire entourage across the giant Yunnan rivers.
He commissioned especially thick ropes made from forest rattan and filmed the entire event.
With yak butter to smooth the ride, 40 men and 15 mules made the journey.
Not all made it across.
On the far side of the great Nujiang gorge, the Plant Hunters made a remarkable discovery.
Far from the tropics,they seemed to be entering a steamy, vibrant tropical jungle, the forest of Gaoligongshan.
The flora here is unlike anywhere else in the world.
Next to subtropical species, alpine plants grow in giant form.
Crowning the canopy, rhododendrons, up to 30 metres high.
In April and May, their flowers turn the forests ruby red, attracting bird species found only here