The lighting designer decided to have an intense white light behind him, thats on the bottom lower of the cya, to only show the sharp silhouette of the performer. This is great for a dance show and it helps to describe the setting, since we see the clouds forming on the bottom of the stage.
PERIOD/MOOD: Stark lighting, and minimal furniture for past in juxtaposition with futures abundance of high-tech furniture and lighting. Shows the past was about the minimal necessities and entertainment, while the future is full of opportunity and sleek designs. Because of the advancements from the future the things they own and have can be focused on looks as well as their practical uses unlike the past.
SUCH a beautiful dress! There needs to be a broadway museum where there's a display with all the Elphaba's act two dresses! like the first ladies' dresses at the american history museum, so we can see like their height and stuff, maybe throw in their witch hat and brooms, and maybe have the same with all the glindas' bubble dresses