What kind of atmosphere does conrad create by his description of thames scene in heart of darkness?

Conrad creates a sense of foreboding and a feeling of isolation in his description of the Thames scene in "Heart of Darkness." The fog, darkness, and stillness of the river evoke a sense of mystery and unease, setting the tone for the journey into the unknown that the characters will embark on. The imagery hints at the darker themes and dangers that lie ahead in the narrative.