The recovered skulls feature holes on both sides -- suggesting they had been arranged on wooden poles and displayed.
Far from being a romantic scene, the burial represent a human sacrifice in which the man was killed to be entombed with the woman.
Children's skulls found at the edges of Bronze Age settlements may have been a gruesome gift for the local lake gods.
Gold artifacts and possible human sacrifices were also discovered by archaeologists in the country of Georgia.
Archaeologists have uncovered more than 80 skulls of young women who may have been sacrificed 4,000 years ago in China.