New impetus to economic activities in the valley was given to half 600 by, the discovery of thermal water The sacred buildings are the church of particularly significant are the church of Pracorno, Piazzola and San Bernardo, built between 1957 and 1959, where we find a great large fresco by Carlo Bonacina (1906-2001) depicting San Bernardo, the Via Crucis signed and dated (1755) by Matthias Lamp.