Complex sentence: In a swift move, guests enter the Egyptian Antiquities room, where a sarcophagus glows an unearthly green as swarms of scarabs emerge from it, to which the sarcophagus' face turns scared before being covered.
Split into simpler sentences: In a swift move, guests enter the Egyptian Antiquities room. A sarcophagus glows an unearthly green as swarms of scarabs emerge from it, to which the sarcophagus' face turns scared before being covered.