Quotation from: The Gods of Mars

Written by: Edgar Rice Burroughs

I looked, and there, above us, I saw shadowy bodies flitting hither
and thither high over temple, court, and garden.

Almost immediately flashes of light broke from these strange objects.
There was a roar of musketry, and then answering flashes and roars
from temple and rampart.

"The black pirates of Barsoom, O Prince," said Thuvia.