The document provides details about the city of Jaisalmer, India, including:
1) Jaisalmer was founded in 1156 AD as a military fort and trading post and is known as "The Golden City" due to the yellow sandstone used in its architecture.
2) It has a harsh climate with hot summers and cold winters along with sparse rainfall.
3) The architecture is a blend of styles and makes use of thick sandstone walls, balconies, domes and latticed screens to provide shade and ventilation.
4) The city has a compact layout with narrow streets designed to provide cool spaces for residents.