Saudi Arabia traditional Architecture

In a research paper (using sketches and your personal analysis).
compare the traditional historical design of houses in 3 old cities in the Saudi Arabia : Jeddah, Makkah, and
Medina.

1. Compare the design of the plans.
2. Compare the elevations design (openings, ratio of solid to void,
   layout, building materials, etc)
3. From your point of view, what are the most important factors that
   affect housing units design
   Express the requirements using your own words.