what are the pyramids huge stone tombs with triangle shaped walls that met in a point on top
{"Image DocumentName": "What are the pyramids? Huge stone tombs with four triangle-shaped walls that met in a point on top.", "Image ImageDescription": "The Egyptians started building pyramids during the Old Kingdom.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}