 Elite Moche graves, containing especially fine pottery, were incorporated into large adobe structures also used for human sacrifices, such as the Huaca de la Luna.Andean cultures such as the Sican often practiced mummification and left grave goods in precious metals with jewels, including tumi ritual knives and gold funerary masks, as well as pottery.The Mimbres of the Mogollon culture buried their dead with bowls on top of their heads and ceremonially "killed" each bowl with a small hole in the centre so that the deceased's spirit could rise to another world.