Here's an example of how "steam cauldrons and fiery serpent flambeaux" in addition to "the happy effect of orange colored cloister lanterns" and "flaring gas and ruby steam cauldrons and torches on the tower" heighten the feeling of mystery in a courtyard at night. From the Bulletin of the Southern California Academy of Sciences, 1917. It's "a section of the Court of Abundance, showing the organ tower and Aitken fountain."