Graffiti and general deterioration of the century-old buildings made with volcanic rock threaten to devalue Arequipa's main plaza. Taking UNESCO's threat seriously, Arequipa's mayor has announced that a "special" police force will be tasked to guarding the area day and night from graffiti. Anyone caught damaging the property will be given a hefty fine.
While they're at it, can they get the desert dust under control? That centimeter of dirt seems to make everything deteriorate around here.