most likely the orange juice is made out of a Navel Orange because they have a more sugary taste then the rest of the oranges that you named and have a stronger pigment
As it is very different to what most play writers (not sure if correct word) would write about. it showed and developed ideas that people weren't use to seeing on stage making it very different.
Dome.
Pitched brick barrel vault.
Barrel vault.
Groin vaults.
Rib vault.
Fan Vault.
Hyperbolic paraboloids.