Here is a question about this article: Islamic architecture began in the 7th century CE, incorporating architectural forms from the ancient Middle East and Byzantium, but also developing features to suit the religious and social needs of the society. Examples can be found throughout the Middle East, North Africa, Spain and the Indian Sub-continent. The widespread application of the pointed arch was to influence European architecture of the Medieval period.
What is the answer to this question: In addition to forms from the ancient Middle East, what other place's forms had an effect on Islamic architecture?
Byzantium