Read the excerpt below and answer the question that follows:

Little pink clouds were floating over the sky, that was growing brighter and bluer with every minute, while the heights and the meadow lands were turning gold under the rising sun, which was just appearing above the topmost peaks.

"O how beautiful! how beautiful! Good-morning, grandfather!" cried Heidi, running out.

Which of these is one of the main points the narrator is attempting to make in this passage