Mahabharata 8.19.30

निहतै राजपुत्रैश्च क्षत्रियैश्च महाबलैःहस्तिभिः पतितैश्चैव तुरगैश्चाभवन्महीअगम्यमार्गा समरे विशीर्णैरिव पर्वतैः

nihatai rājaputraiśca kṣatriyaiśca mahābalaiḥhastibhiḥ patitaiścaiva turagaiścābhavanmahīagamyamārgā samare viśīrṇairiva parvataiḥ

Our plain-language meaning of this verse is waiting for scholar review.