Submerged Room Open-Air Courtyard Illustration

Quick answer：

A submerged room open-air courtyard refers to a design feature where a room or living space is situated below ground level and is connected to an open-air courtyard above. This design concept often incorporates elements like ponds, water features, and natural lighting to create a serene and harmonious living environment. It is commonly found in traditional Chinese architecture and modern residential design aiming for ecological and sustainable living spaces.