Two massive yaks on dark, vertical surface of bedrock. The upper animal has large horns and full body; the lower yak, partially obscured by lichen and damage, appears to be carrying a load. No sign here of any human figures.
Detail of caravan scene on side of large boulder with mask on upper surface. Note the children in the basket on the yak, the similarity in horn type with those of the mask. On the loaded yak, firm, dense pecking.