The architectural feature of the Islamic artists that came from the Romans was the horseshoe arch. This is what they liked best in Roman culture, so they decided to use it in their art and architecture as well. Islamic architecture is quite different from any other, although it was certainly influenced by many other world architectures.
Could be pottery if the vase is clay. could be florist due to the plants inside. could even be abstract. I believe this is more of an open ended question
It's A, Monteverdi's Orpheus. : )