Moroccan architecture for building standards which directly affected the architecture at that time, as follows: The building regulations maintained the country's preexisting architectural features and balanced the rapid urbanization. The Riad also known as Dar is the Moroccan traditional house, which normally has two or more storeys around a courtyard. Villas are larger stand-alone housing in the urbanized area which do not need to follow traditional architectural style. Arches, most often the horseshoe arch are used in almost every aspect of Moroccan housing whether it is doors, entrances, windows or niches. Domes are often integrated with altars or commemorative monuments as well
Atrium (architecture) atrium. As the centrepiece of the house, the atrium was the most lavishly-furnished room. Also, it contained the little chapel to the ancestral spirits ("lararium"), the household safe ("arca") and sometimes a bust of the master of the house. The term was also used for a variety of spaces in public and religious buildings, mostly forms of arcaded courtyards, larger versions of the domestic spaces. Byzantine churches were often entered through such a space (as are many mosques, though the term atrium is not usually used to describe Islamic architecture). The 19th century brought the industrial revolution with great advances