| Yet a further innovation which appeared in
                East Java was the construction of terraced monuments. These were of two types. On the one
                hand, there were buildings like Candi Jajaghu, which consisted of a single solid structure
                built on a number of receding levels. Access was from the front, by means of a system of
                stone stairways, which led up to the most sacred shrine occupying the highest point. 
 The other type of terraced sanctuary, which seems to have become popular towards the end
                of the Majapahit period, was built on the mountain slopes. Examples of this kind of
                structure can still be seen today, notably at Candi Sukuh and Ceto on Mt Lawu, as well as
                on Mt Penanggungan. These terraced 'altars', as they
 
    are sometimes called, appear to recall an
                earlier period of Indonesian history. Built against the natural hillside, orientated to
                the mountain peak, the levels of the sanctuary symbolize the divisions of the material and
                spiritual worlds, which must be traversed before reaching the 'ancestral seat' (pelinggih)
                situated on the topmost level. A contemporary example of the terraced mountain
                sanctuary is the Pura Besakih, 'mother temple' of Bali.  
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