As Apple Inc. chooses wall-paper for Apple iPhone and where them takes

Standard wall-paper in Apple iPhone — it is a counter not only separately taken smartphones, but also versions of Apple iOS. Every year Apple Inc. adds new photos, but, you see, recently they become less expressive: if earlier company added more wall-paper of the nature in a collection, and then at all at some instant passed to abstractions and geometrical forms. Only in Apple iOS 14 there was a return "to sources": the system received picturesque images of mountains which switch over in a dark mode. It is interesting where Apple Inc. takes wall-paper for Apple iPhone and by what principle them chooses? Let's understand. 😎 Still...