Final answer:
The Auditorio de Tenerife was designed by Spanish architect Santiago Calatrava and is considered an architectural symbol of the city and an emblematic building of Spanish architecture.
Step-by-step explanation:
The iconic structure you are referring to is the auditorium of Santa Cruz de Tenerife, which is known as the Auditorio de Tenerife. It was designed by the renowned Spanish architect Santiago Calatrava. Calatrava is known for his sculptural bridges and buildings such as the City of Arts and Sciences in Valencia, Spain. His design for the Auditorio de Tenerife has made it an architectural symbol of the city and one of the most emblematic buildings of Spanish Architecture. This design falls within the late-modern architectural style of the late 20th century, which often features a blend of innovative forms and technological advancements in construction.