The city of Agra in Indias northern state of Uttar Pradesh is home to skilled stone craftsmen. There are some who are experts in carving and fret work, crafts which are believed to have ancient origins. Then there are the inlay artisans, who make fine designs of semi-precious stone inlaid in marble. This craft is believed to have been introduced here in the 17th century by Persian artisans brought by the Mughal emperor.