sentences:  The Umayyad Mosque (709–715) in Damascus, Syria has window screens made of interlacing undulating strapwork in the form of six-pointed stars.Early examples of Islamic geometric patterns made of straight strap lines can be seen in the architecture of the surviving gateway of the Ribat-i Malik caravanserai, Uzbekistan, built in 1078.The wild application of girih on architectures should credit to the close relationship between Islamic architecture, geometry, and craft.Architecture was classified in the field of practical geometry in the early Islamic period, and building projects always involve a muhandis (geometer).