Mill Colonnade Mill Colonnade The Mill Colonnade () is a large colonnade containing several hot springs in the spa town of Karlovy Vary, Czech Republic. The structure is one of the traditional symbols of the town. The Neo-Renaissance structure has a nave, two aisles and measures long by wide. There are 124 Corinthian columns. Twelve statues representing the twelve months of the year sit above the portico. There is a raised orchestra space for the spa orchestra which plays regular, free concerts. Architect Josef Zítek, who also designed the National Theatre and Rudolfinum in Prague, designed the structure, which was built between
Architectural terracotta of surface problems. When it rains, water and salts get sucked into the voids in and around the terracotta through capillary action. If it freezes then ice forms, putting internal stress on the material, causing it to crack from inside. A similar problem happens with atmospheric pollutants that are carried into the gaps by rains water. The pollution creates a mildly acidic solution that eats at the clay body or a salt crust forms, causing similar issues as ice. Architectural terracotta Architectural terracotta refers to a fired mixture of clay and water that can be used in a non-structural, semi-structural,