Archaeologists unearth a 3,400-year-old pyramid from the Scythian-Saka period in Kazakhstan During four excavation seasons at the Karajartas Mausoleum in the Shet district of Karaganda Region, archaeologists from Karaganda University in Kazakhstan unearthed a pyramid belonging to the Scythian-Saka period. The pyramid, a pyramidal stepped mausoleum, is believed to be a mausoleum complex for a ruler from the Begazı Dandibay culture, a late Bronze Age culture that thrived during the last phase of the Andronovo period (2000–1150 BCE).