The timber was six meter long: (how question)​

Which sentence should be revised to include vivid imagery

What does water came out from a rock mean in this poem and why is it compared to the radio waltz? time was away and somewhere else. the waiter did not come, the clock forgot them and the radio waltz came out like water from a rock: time was away and somewhere else.

Which of these novels is considered an important precursor to science fiction