 The 15th-century royal Tomb of Askia in Mali used the local technique of mud-building to erect a pyramidal tomb set in a mosque complex.At the other end of the Islamic world, Javanese royalty are mostly buried in royal graveyards such as those at Kota GedMe and Imogiri.Mausoleums of rulers are more likely to be a side-room inside a mosque or form part of a larger complex containing perhaps a hospital, "madrasah" or library.