About 200,000 people live along the course of the river.
People have lived along the river for some 10,000 years.
This is mostly the case if several families live along the road.
People who live and work along the road are not surprised.
There were people living in the region since a very long time, most of them along the coast.
Those who lived along the highway were as one family.
But some park officials and people who live along the beaches tell a different story.
It is just a matter of time until we see stronger health effects among the people living along the river.
There is a relatively small population, most of which live along the coast.
Even if the mountains are not too high, most people live along the coast.