Jerusalem has had actually high levels of development, despite high density of folks living there. I think everything from trains to some crazy cable car ideas

Jerusalem has had actually high levels of development, despite high density of folks living there. I think everything from trains to some crazy cable car ideas (I assume the later won't happen) are in the cards. Is this level of development allowed on Mauna Kea? It seems MUCH higher impact than a telescope. Look at some photos just for the residential density in Jerusalem.