They also showed us how they hunt. This is how you make a bird trap.
He wraps the string around a bunch of sticks to hold it apart.
And then he leaves it to catch any birds that try to eat the nuts inside.
For bigger animals they hunt with a bow and arrow.
They crouch down so that they will be less likely to scare the animals away.
The arrow tip is a piece of sharpened bone. It is covered with poison before it is used. The tip is put into a long wooden arrow, and it is held by friction with the string wrapped around it. That way the stick part will fall out of the animal when it starts to run and can be used for tracking.
Here he is shooting the arrow. The arrow is in front of the tree on the right.

What motivates these tribal people to invite foreign tourists into their life? i.e. how much are they dependent on money/civilization?
This was a museum in a National Park where hunting and trapping are not allowed. They live in the town. There are only a couple of tribes that still live in the bush, and they have trouble getting the young people to stay.