1 floor with sunken courtyard actual scene

Quick answer：

This refers to an actual scene of a building's first floor featuring a sunken courtyard. Sunken courtyards are a traditional architectural feature where a courtyard is situated below ground level. They are often found in historical or traditional Chinese architecture, offering privacy and a serene environment. The term 'actual scene' suggests that this is a photograph or depiction of the courtyard as it looks in reality.