Sillar is a whitish volcanic stone from which many colonial buildings in the city of Arequipa, Peru, are made from. A fine example are the Arcs of the "Mirador of Yanahuara" in Arequipa, from which the entire city can be appreciated.
Sillar is a whitish volcanic stone from which many colonial buildings in the city of Arequipa, Peru, are made from. A fine example are the Arcs of the "Mirador of Yanahuara" in Arequipa, from which the entire city can be appreciated.