This aerial photograph of Griffith Observatory was taken as it neared completion in 1935. (Its official opening was on May 14.) We can see that development between the observatory and Los Feliz Blvd (the straight line near the top of the photo) is fairly sparse. That’s not the case any more. Every square inch of land north of the boulevard is now filled with lovely homes up to where the foothills of Mt Hollywood start to rise up.

A satellite photo from 2020 showing much the same view.

Here’s a closer shot of the Griffith Observatory.