Between 1816 and 1817 the first trees were planted, and enclosed with the fence that currently exists.
=== Religiozna arhitektura ===Mesto ohranja pomembno zbirko romanskih cerkva tako kamna kot opeke, ki vključujejo San Esteban, San Millán, San Martin, la Santísima Trinidad, San Andres, San Clemente, Santos Justo y Pastor, la Vera Cruz in San Salvador in druge.