The quote portrays the arrival of darkness as a profound event, likening it to a black flag unfurling over a canyon. This imagery suggests the dominance of night, which sweeps away the dull grayness of the city, transforming its appearance. The shift creates a striking contrast between the enveloping darkness and the vibrant lights that emerge from the streets and buildings, signaling life amidst the gloom.

This contrast emphasizes a sense of recompense, as though the individual lights are compensating for the absence of daylight. The darkness brings forth a beauty that highlights the small yet significant sources of illumination, showcasing the resilience and vibrancy of urban life even in the depths of night.