Through the whole movie, beside these thought patterns of cultural barriers, we can also see a lot of other international communication and intercultural communication differences, such as the Cuban soldiers in the film and American soldiers had just met with conflicts, and so on.
While the outside world people to develop science and technology, Bushmen living in the desert, knew nothing of all the advanced science and technology. Outside people think Bushmen ignorance, while Bushmen people think that outsiders are not bright, because they can't survive without their magic contrivances.
Bushmen to get all the details of life in the desert by those printed in the sand
while the outsiders are more inclined to pass data and charts to reflect the farching for his lost child, he also will try his best to help strangers get out of the troubles, but the outside world people tend to only care about personal interests.
Bushmen believe in God, they believe that all matter is created by God to give them, but the outsiders are based on a material world.
The bushmen in the desert are never killing animals without reason, but the outsiders have been eyeing for the wildlife, particularly ivory.