which religions have adopted it?
Pagan, Christianity, Buddhism, Hinduism, Judaism (until the destruction of the Second Temple) and Modern Paganis
Altar
They are used particularly in Pagan, Christianity, Buddhism, Hinduism, Judaism (until the destruction of the Second Temple), and Modern Paganism. 
what is volubilis? A partly excavated Berber city in Morocco commonly considered as the ancient capital of the kingdom of Mauretania who excavated it? The French during their rule over French Morocco does it have any notable structure? Yes. A basilica, a triumphal arch and the mansions of the city's elite what kind of construction is the first one? It was an ancient Roman public building, where courts were held, as well as serving other official and public functions has anybody adopted this form? Yes. Christians adopted it to build larger and more handsome edifices for worship what development can you find here? Putting an altar instead of the throne made a church where can you find this structure that is used instead of throne? At shrines, temples, churches and other places of worship
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Altar [SEP] Introduction
An altar is a structure upon which offerings such as sacrifices are made for religious purposes. Altars are found at shrines, temples, churches and other places of worship. They are used particularly in Pagan, Christianity, Buddhism, Hinduism, Judaism (until the destruction of the Second Temple), and Modern Paganism. Many historical faiths also made use of them, including Roman, Greek, and Norse religion.