The Asland cement factory of Clot del Moro Historical milestone · Castellar de n'Hug, Berguedà, Barcelona Image of Castellar de n'Hug, not of the place itself. Eusebi Güell promoted from 1901 a cement factory set into the hillside, with work by Rafael Guastavino and a railway of its own as far as Guardiola. It operated until 1975 and today houses the cement museum. 1901 Photo: Enfo (CC BY-SA 3.0) What to see and do in Castellar de n'Hug