What is the significance of the examples of early map-making described in the text?

The examples described, such as the maps drawn by indigenous peoples of Siberia and the Far East on bark and wood, or the relief map created by an Eskimo using sand and stones, highlight the practical necessity and ingenuity behind early geographical representations. These examples demonstrate how diverse groups, facing different environmental challenges, developed unique methods to record and understand their surroundings, emphasizing accuracy and the use of readily available materials.