This will be the first projection of Act 1., which would be displayed on the set structure, This is a major scene of Turandot's entry. Everything becomes brighter, moon rises where the people sing about her.
Followed by the first projection, in this scene the young Prince of Persia is being executed. Hence the moon is red depicting the blood and the harsh lines depict the mood of this scene.
When the 3 ministers warn the lead character Calef not to take part in Turondot's riddles as he would be killed, showing how previously people have died attempting the same, the floating heads is the direct depiction.
Color purple depicts the emotion of suspence so in this particular scene, Turandot is asking the riddles to Calef. The background depicts the emotion of anticipation.
Calaf, smitten by Turandot, sings "Nessun dorma”, which talks about Turandaot’s beauty and how much he loves her. The scene takes place few hours before sunrise, hence the colors are inspired from dawn.
A happily after where Turandot confesses her love for Calef.