Answer:
Mastabas
Step-by-step explanation:
The earliest burial places of the Old Kingdom Egyptian called Mastabas. Mastabas were constructed in a flat-topped one-story building in a rectangular shape with sloping sides as a burial ground for the royalty. These burial structures were built with mud bricks and later with stones. The structure constructed with an underground burial chamber along with storage chambers to stock materials and food for the afterlife.