El Campillo Nuevo, barrio minero de trazado inglés Curiosity · El Campillo, Cuenca Minera, Huelva Image of El Campillo, not of the place itself. Facing the irregular-streeted farming hamlet of El Campillo Viejo, engineers from the Rio Tinto Company built El Campillo Nuevo with a regular English-style grid layout, constructed to house the mining population. Photo: Estevoaei (CC BY-SA 4.0) What to see and do in El Campillo