Dinosaurs’ era is one of the most epoch-making and thus tremendous phenomena in world history. Long before first civilizations and continuing advancement of various countries, these giant creatures inhabited the world and today their remains are subjected to constant exploration. Discoveries of dinosaurs’ skeletons and further relics are made in all corners of the world, and the biggest concentration is in Bolivia.

A vast wall in Sucre neighborhood is tiled with dinosaurs’ traces, so one can see them from away. Cal Orca, the wall, is 1,2 km long and 80 meters high, giving much space for archeological and paleontological investigation. There are about five thousand tracks of prehistoric animals, which are dated back to the second half of Cretaceous period. Paws of huge beings had fallen into a soft coastline in warm and wet weather, leaving marks that were fixed later in periods of drought. Wet weather then came back, and this process was repeated seven times, keeping multiple layers of tracks. Eventually, the tectonic shift that turned the stone put it the way people can see at present.

The discovery was made in 1985, when local quarry workers had attempted to extend their work field and had run against these intricate wall pictures. They happened to be what dinosaurs left to us. Besides paleontologists, the site attracts thousands of tourists annually. In 1994 the scientific significance of Cal Orca was confirmed by Swiss paleontologists, who claimed it is a great contribution to dinosaurs’ studies. It is a fact of common knowledge that the reason why they disappeared still is not defined.

The research of tracks is to provide a lot of information about the social behavior of dinosaurs. For example, you can see two large lines of big tracks mixed with small ones in between, indicating that some of the young dinosaurs grew up with their parents, who obviously defended their offspring. The most exciting track, however, is a 347-meter-long line belonging to a cub Tyrannosaurus.

Speaking of Cal Orca travel attraction, it is no doubts worth visiting place. In addition to a great wall covered with dinosaurs’ footprints, one can attend the museums with related exhibition of archeological discoveries; these may enlighten some theories of what happened to prehistoric predators and how they had lived before. In Sucre the park of Cal Orca was opened in 2006, with a grand demonstration of dinosaurs’ exact copies. However, the best way to esteem the significance of the place is to go on observation deck 150 away from the wall.