European courtyard wall effect

Quick answer：

The European courtyard wall effect refers to the architectural style and design elements seen in the walls of European courtyards. It often includes stone or brick walls, ornate facades, and intricate designs. These walls can have a variety of functions, such as defining space, providing privacy, and enhancing the aesthetic appeal of the courtyard. The design is influenced by various European architectural traditions, including Gothic, Renaissance, and Baroque styles.