I chose one of the long takes of the movie Birdman (2014) by Alejandro G. Iñarritu to study its camera movement and represent it with quick sketches.
This is one of the exercises I did during a Storyboards Course for Cinema and Advertising.
You can watch here the clip of the movie https://www.youtube.com/watch?v=XtWP94WWaL0&t=23s and below my camera movement exercise:
