31. The site also features rock surfaces in which the prehistoric man lived during the Pleistocene period. 32. Meanwhile, he urged travel agencies and tour guides to encourage visitors to not touch the rock surfaces . 33. The rock surface had become very smooth. 34. With its deep gorges, churning rapids and smooth rock surfaces , Moab, Utah, is a mecca for adrenaline-seekers. 35. On the other side of the rock surface , a big cave with drip ledges can be seen. 36. Ancient inscriptions on rock surfaces reveal that organized medical services have existed within the country for centuries. 37. Holes had been made on the rock surface in such a way as to erect round tents. 38. Khachkars with various ornaments are inserted into the exterior walls and hewn on the adjacent rock surfaces . 39. In the top portion of the rock surface there is a stone with foot print of Buddha. 40. Here it means art painted on rock surfaces , as opposed to petroglyphs that are carved or incised.
