In 1985, the miners who worked in the career of Cal Orko (Cal Orko), discovered strange footprints on a cliff on the outskirts of the Bolivian town of Sucre. Nevertheless, 10 years, nobody paid attention to the rock.
Only in 1994, the year the rock took seriously. After studying the limestone surface, it became clear that it remained more than five thousand dinosaur tracks, most of which were left about 68 million years ago (Mesozoic). In total, the scientists counted 462 trails. The total length of the wall is more than a kilometer, with an average altitude of about 80 meters. To the wall remained intact, as well as to familiarize everyone in Cal Orko (Cal Orko) seven years ago opened a kind of dinosaur park.