View from the pass - Huanglong valley
Sichuan Province

Elevation: 3500 m. poor atmosphere.
On top of a pass, that separates the large valley of huanglong airport from the main valley where huanglong valley is arriving.
At the bottom of the valley, some vendors sell oxygen bottle, to help support high elevation (difficulty to breathe, possible headache,..).
When we walk around the bus to enjoy the view at the pass, some indications are given: walking slowly, breathing peacefully.