construidos
Construidos is the plural form of the past participle of the Spanish verb construir, and it also functions as an adjective meaning "built" or "constructed." It is used to describe objects, spaces, or works that have been erected or manufactured by human effort.
In architectural and urban planning contexts, construidos often refers to the built environment or to structures
Morphology and usage: construidos agrees in gender and number with the noun it modifies, so masculin plural
Other notes: in everyday Spanish, more common synonyms for built are edificado or construido; both convey similar