Are the verbs in the first verse interchangeable? Why does this poem express the poet's feelings?

Are the verbs in the first verse interchangeable? Why?

Answer: You can't change the position, because the "dot" in "Lighting countless street lamps" means that some people are lighting up, suggesting that there are happy people living in the streets in the sky.

How does this poem express the poet's feelings?

A: This poem expresses the poet's dissatisfaction with real life and his pursuit of ideals.