Complex sentence: The Temple of the Cross, Temple of the Sun, and Temple of the Foliated Cross are a set of graceful temples atop step pyramids, each with an elaborately carved relief in the inner chamber depicting two figures presenting ritual objects and effigies to a central icon.
Split into simpler sentences: The Temple of the Cross, Temple of the Sun, and Temple of the Foliated Cross. This is a set of graceful temples atop step pyramids, each with an elaborately carved relief in the inner chamber depicting two figures presenting ritual objects and effigies to a central icon.