Los Angeles Municipal Code

October 1, 2014, 9am PDT
Emily Alpert Reyes reports that Los Angeles has overturned a long-standing requirement for its skyscrapers to have flat roofs to accommodate the fire department's helicopters in the event of an emergency.
Los Angeles Times
January 18, 2012, 10am PST
Ever wonder why LA's skyline is so bland? Apparently it was planned that way.
KCET Departures