This type of cattle has been brought to market for various reasons: fertility issues, drought conditions...etc. Generally this group is over the age of 8-9 years old, or younger if injury is the reason for culling from the herd.
In March 2008, it was included by the post office in a set of six stamps (Correos) depicting the most emblematic works of Spanish architecture. In 2011, the image of the Tenerife Auditorium was included in a series of commemorative coins of 5 euros, which displayed the most emblematic symbols of several Spanish cities.
The oldest works of architecture in Spain of which remains are left go back to the megalythical culture, approximately 3000 b.C. Anyhow, they are probably not exactly what you expect to find here. Lots of Roman monuments are conserved too, among the most important being the great aquaeduct of Segovia and the Roman Theater of M rida. Absolutely stunning is what Moors have left in this country.