Sunken courtyard explained

In architecture and landscape architecture, a sunken courtyard, sometimes called a sunken plaza, is a courtyard below ground level.

References

• Al-Mumin . Adil A. . January 2001 . Suitability of sunken courtyards in the desert climate of Kuwait. Energy and Buildings . 33 . 2 . 103–111 . 10.1016/S0378-7788(00)00072-4 .