Gust finally sees something other than grass, and after getting over their excitement, they go over to it, and realize it is a building (they describe it as a tree box, but like, same thing). After making the wonderful discovery that it is not in fact, solid wood all the way through, they look through a window the find and see stored of meat (animals), they are confused by this. But before they can really think about it, the hear a sound behind them, and upon turning around, they see a monkey (its a human).
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