The city is unfinished, there are no skyscrapers and other buildings in it. But there is a lot of money and good infrastructure that attracts high-income Sims like the “elite”
white collar workers and others. Also, if you want there to be no poor, educate them!
City Life: Save Game (City with good infrastructure) Free Download
And they turn into government employees or blue collars.
To install you need to place the SEVE folder in the game directory.