Écublens, Vaud
…castle built by Etienne de Loys in 1770, the University of Lausanne built the Cantonal and University Library in 1970. In 1977, this was followed by the École Polytechnique Fédérale de Lausanne. Together they now occupy a fifth of the municipal area. Écublens has an area, as of 2009, of 5.7 square kilometers (2.2 mi2). Of this area, 1.56 km2…