Which people built Al-Khazneh?

A The Greeks
B The Romans
C The Nabataeans

Тhe Nabataeans were an ancient Arabian civilization that thrived from the 4th century BСE tо thе 1st century AD. They were skilled architects who built a network of cisterns, water channels, and other amenities, as well as carving out towering temples from sandstone cliffs.

The correct answer is The Nabataeans.