It all leads one to ponder the what-if Los Angeles, to imagine the city that would exist today if the best proposals for remedying its ailments had been realized. Los Angeles would now include a ring of thousands of acres of urban and regional parks, a bold, space-age airport, a winged nature center for Griffith Park and hillside housing developments sculpted to the contours of the landscape rather than sitting on graded and terraced scars. We would be living in a very different city. — latimes.com