... > Religion and Magic > non-Christian religions (including institutions, customs and antiquities) > Mithraism and other Hellenistic or Late Roman (provincial) religions (including ancient Iranian religions) > places and objects of worship ~ Mithraism and other Hellenistic or Late Roman (provincial) religions (including ancient Iranian religions) > altar ~ Mithraism and other Hellenistic or Late Roman (provincial) religions (including ancient Iranian religions) > altar ~ Mithraism and other Hellenistic or Late Roman (provincial) religions (including ancient Iranian religions) - GG - in the open air