As engraving and printing techniques improved—especially in the 18th century—books about plants incorporated detailed intaglio illustrations.

During the Christmas holidays, the exhibitions at the Centre Cultural La Nau will operate on a special schedule. They will be closed on December 22, 25, and 29, as well as on January 1 and 6. On the days they are open, visiting hours will be from 10:00 a.m. to 2:00 p.m. and from 4:00 p.m. to 8:00 p.m., except on December 24 and 31 and January 5, when they will open only in the morning, from 10:00 a.m. to 2:00 p.m. On weekends, such as December 28 and January 4, they will be open from 10:00 a.m. to 2:00 p.m.