3D Model available in CGTrader: https://www.cgtrader.com/3d-models/architectural/other/edificio-moneo-ayuntamiento-de-murcia
If you need any extra info here is a link with all the information we found/analysed:
MURCIA CITY HALL
Analysis of Rafael Moneo´s Building for the city hall in Murcia, Spain. http://www.murcia.es/web/portal/inicio
2014