Above: Two men from different villages, after having slugged it out in a chest pounding dual, reconcile their differences by telling each other what good friends they are. They promise that the next time they see each other they will bring each other gifts of baskets, tobacco, dogs or bows and arrows.
Below: Dr. Chagnon uses a GPS instrument while the headman of a Yanomamo village looks on. He was using the GPS to establish the location of the village, which was in the middle of an unmapped part of Venezuela, within 30 meters of accuracy.