Estonia has a unique clay construction heritage. Can you tell us a bit more about that? We have large deposits of Devon age red clay and it has been used

Clay plaster is a traditional building material that has been used for centuries in various parts of the world. It is a natural, sustainable and environmentally friendly alternative to modern

Clay is essentially a mineral resource that is very widespread globally and consists of tiny particles visible only under a microscope – clay minerals. These particles have a flat shape