Narrow and steep trekking route in the himalayas. Trekkers and yaks wind their way into the higher reaches of the Sagarmatha National Park, Nepal. "This clip of professionally-shot broadcast stock footage belongs to the archive of Wilderness Films India Ltd., and has been filmed on either Digital Betacam or 1080i HD. Please write to us for licensing queries at wfil@wildfilmsindia.com and admin@wildfilmsindia.com."