In Joseph Conrad's "Heart of Darkness," the intense heat of the sun creates an overwhelming atmosphere, emphasizing the land's harshness. The environment is described as almost alive, with steam rising and making everything appear to shimmer. This vivid imagery sets a challenging scene, reflecting the difficulties faced by the characters as they navigate through the darkness both literal and metaphorical.

This description not only highlights the physical challenges posed by the setting but also underscores the thematic elements of oppression and the struggle for survival within the narrative. Conrad's choice of words conveys a sense of foreboding, hinting at the deeper darkness the characters will encounter on their journey.