Picture of a building corridor

Quick answer：

A building corridor is a covered passageway that connects different parts of a building, typically used for pedestrian traffic. It is often found in residential complexes, schools, hospitals, and other large buildings. Corridors can be straight or winding, narrow or wide, and may feature architectural elements such as arches, columns, or decorative motifs. Photos of building corridors can show the design, layout, and functionality of these spaces.