Final answer:
The stone carvers made two discoveries about the construction of a Nabatean tomb when they carved their own tomb: the entire tomb and its features were carved from bedrock, and the tomb's decoration resembled the interior of an aristocratic house prepared for a banquet.
Step-by-step explanation:
The stone carvers made two discoveries about the construction of a Nabatean tomb when they carved their own tomb:
- They discovered that the entire tomb and its features were carved from the bedrock, which is a volcanic mudstone known as tufa.
- They found that the tomb's bas relief decoration consisted of carved bedrock features that were stuccoed and painted to resemble the interior of an aristocratic house prepared for a banquet or drinking party.