Chose Aswan over London because of the freshness it gives other than having oud in the dry down.
Considering having oud in many fragrances this was a better choice especially for nights in Spring or Autumn.
Aswan used to be a well known city for traders, hence the fruity vibe is given for that idea.
At the other side the leather on the dry down represents the dryness of the city because of the high heat.