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.
Greywacke Arch is named for the variety of Hudson Valley sandstone with which it is built. Just south of the Obelisk, Greywacke Arch is distinguished by the detail of its trefoil design and its Saracenic pointed arch in the style of Spanish and Middle Eastern architecture. It was completed in 1862.