This is Hollywoodland, Los Angeles, California in about 1926, three years after it was established.
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A good case can be made that places like this between the wars – the Hollywood and Berkeley Hills, Pasadena, Carmel – achieved the finest quality of life affluent North Americans have ever experienced. Near Edens.
By landscape and built form, it looks a lot like many places in southern France near the Mediterranean, and many places in Italy. The only exception is that those European places were more compact; smaller units, more shared walls and with a definitive village/rural boundary.