This text *** seven natural paragraphs, the whole text closely grasp the "change" to write, according to the burning clouds change to arrange the material.

The whole text can be divided into three major levels:

Coming up (1-2)-Changing (3-6)-Going down (7)

The first paragraph says When the fire clouds came up, the haze in the sky made everything on the earth change color.

The second paragraph writes that the color and shape of the fire clouds were changing.

The third paragraph writes that the fiery clouds went down.