"And remember how He made you inheritors after the 'Ad people and gave you habitations in the land: ye build for yourselves palaces and castles in (open) plains, and care out homes in the mountains; so bring to remembrance the benefits (ye have received) from God, and refrain from evil and mischief on the earth." (7:74)

Out of the mountains did they hew (their) edifices, (feeling themselves) secure. (15:82)

"And ye carve houses out of (rocky) mountains with great skill. (26:149)

Pleased with their striving,- (88:9)