Coimbra, Portugal
caryfukOn the surface of this specimen, a distinct corrugated pattern spreads, complemented by the inscriptions 'Águas de Coimbra' and 'SANEAMENTO', which indicates its primary function in the hydrological system. The distinct corrosion, which covers most of the surface, represents a fascinating study of material degradation in an urban environment, a subject of interest for the Institute of Lidology.