ancient animal art background beauty design equine fast feather fly Greek grey hoof horse illustration isolated legend legendary legs mammal metal mighty myth mythical mythology nature pegasus realistic silhouette sky stallion standing statue symbol tail upright vector wing winged wings astronomical astronomy beautiful constellation copyspace crater craters cumulus full heaven heavens light lunar lune mare midnight moon night nimbus peace rain rise seas shadow shadows silver star stars stellar storm stormy tranquil tranquility wane wax weather weirdvis white blue cloud clouds colored colors coloured colours conditions fine formations gray late-afternoon layers levels multi-level shapes skies skyshow southern streaky sun textures thin vaporish vapourish variations various various-cloud-formations weather-indicators wispy