In this high-altitude photo of a desert,what are the dark grey features in the bottom right of the photo? Hint: The area that looks like water flowing from top right to bottom left of the photo is not water. 
Definitions:
Affluent Society
A society that possesses a high level of wealth and consumption, often characterized by a high standard of living.
Marshall Sahlins
An American anthropologist known for his work on the structure of kinship and the evolution of societies and cultures.
Paleolithic
Referring to the earliest period of the Stone Age, characterized by the use of primitive stone tools and hunting and gathering as a way of life.
Food Scarcity
A condition in which there is not enough food to satisfy the dietary requirements of the population, resulting in widespread hunger and malnourishment.
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