Ytong España / Xella Group   The Ytong solution of tongue-ingroove panels is made of cellular concrete, which weighs much less and insulates better than conventional concrete. It is obtained in an autoclave on a base of sand, silica, and lime.

Prokš Přikryl architekti   Czech Republic   Standing on the banks of the Chrudimka River, the Automatic Mills of the city of Pardubice, a work of the Czech architect Josef Gočár, were built in 1909. A grain silo was added in 1924. The mills ran uninterruptedly for over a century, until 2013, a