This summer, while on the way Playa Sucia or Los Morrillos Lighthouse, many of us will drive by the Cabo Rojo salt flats. Salt extracted from the Cabo Rojo salt from salt flats—the oldest industry in Puerto Rico—is highly pure and has great commercial value, thus making it an important source of income. But, did you know that the salt flats or salterns, as they are also known, are also a large-scalen oversized Microbiology laboratory?