Outdoor sunken courtyard effect

Quick answer：

The effect of an outdoor sunken courtyard refers to the aesthetic and functional aspects of a courtyard that is below ground level. These courtyards are often designed to create a sense of privacy, tranquility, and connection with nature. They can include features such as water features, gardens, and seating areas. The design and layout of a sunken courtyard should consider factors like lighting, ventilation, and integration with the surrounding architecture.