In iOS's Maps app, some 3D rendered buildings have ample details and colors, such as the San Francisco Golden Gate bridge or the details of the Oracle Park:
However, some other buildings have less details or colors, such as the Eiffel Tower:
What is the reason behind this inconsistency? Do buildings have to partner with Apple to be represented more favorably on the Maps app, or are the more detailed buildings part of an open source library that Apple picks from?