Answer:
It creates a weary, yet sympathetic tone.
Explanation:
The line "Bent double, like old beggars under sacks" shows how the characters presented in the poem are tired with the activities and life they lead, however, the poem presents them as good people who are tired of being productive and looking for better progress what makes the reader sympathize with them. In this case, we can say that this sentence was written to create a tired tone, but also to generate the reader's sympathy.
The pond it complements the pond
What do you mean listening? Elaborate a little?
Bradbury has a straightforward writing style that seeks to evoke a sense of wonder through two seemingly opposed concerns: the careful construction of mundane details and a sharp eye for vividly capturing imaginative flights of fancy. Combined, they create Bradbury's signature style, finding wonder in everyday life by using fantastic / unrealistic elements to highlight the vagaries of human nature. Often, this means the stories are built on simply constructed sentences --declarative, often distanced from the subject it describes - with dramatically timed lapses into a more florid, poetic writing style when a character comes to grips with a new experience, such as the rocket flight of "The Rocket".