L'umbracle by calatrava DWG. Arched parking structure at City of Arts and Sciences. by Chilean architect Santiago Calatrava. L'Umbracle part of the Ciutat de les Arts i les CiÃ¨ncies complex in Valencia, Spain, is a landscaped walk with plant species indigenous to Valencia It was designed as a entrance to the City of Arts and Sciences. It is 320 m long and 60 m wide, located on the southern side of the complex.