Moroccan riad been bought by foreigners. This foreign interest has brought new challenges but the investment has helped with the restoration of the UNESCO site and has helped revive many of the handcrafts and artisan trades that were gradually being lost before this trend. Many of the restored riads in the districts of Mouassine and Lakssour offer the finest examples of restoration as historically these areas contained many of the grand palaces from Marrakech's Saadian period. Moroccan riad A riad () is a type of traditional Moroccan house or palace with an interior garden or courtyard. The word riad originates from the
Courtyard house only in the last couple of centuries has its use been neglected. Recently, more attention has been given to the courtyard house, as a type to solve a number of problems of dense inner city housing. Courtyard houses are also a form of dwelling built in the British Isles late in the Iron Age. They are restricted to the granite peninsula of Land's End and the Isles of Scilly, Wales and other highland areas. Examples are at Chysauster and Carn Euny in Cornwall. Another type of courtyard house was built by the landowners in England in the late Middle Ages