The very steep, vertical, or overhanging section of rock, earth, or ice slope usually free of any vegetation or loose material.

Ancient homes carved into cliffs.

Steep rock face by sea.

Apparatus testing depth perception visually.

Inhabitants of ancient elevated structures.

Red Cliff or Chibi is a 2008–2009 internationally co-produced epic war film, based on the Battle of Red Cliffs and the events at the end of the Han dynasty and immediately prior to the Three Kingdoms period in Imperial China.

the largest cliff dwelling in North America.

Bird that builds mud nests.

Homes built into cliff faces.

Clifford Parker Robertson III (September 9, 1923 – September 10, 2011) was an American actor whose career in film and television spanned over six decades.

Aromatic shrub native to Southwest.