Mahabharata 3.169.10
पर्वतैरुपचीयद्भिः पतमानैस्तथापरैःस देशो यत्र वर्ताम गुहेव समपद्यत
parvatairupacīyadbhiḥ patamānaistathāparaiḥsa deśo yatra vartāma guheva samapadyata
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book