Barrios obreros desaparecidos de Riotinto Curiosity · Minas de Riotinto, Cuenca Minera, Huelva Image of Minas de Riotinto, not of the place itself. Between 1883 and 1888 the Rio Tinto Company Limited built several districts to house the mining population in addition to Bellavista: Alto de la Mesa, La Naya, La Atalaya and Río Tinto-Estación. Most were demolished in the 1970s as open-pit mining advanced. Photo: David Perez (CC BY 4.0) What to see and do in Minas de Riotinto