What fun reading. The symbolism is perfect.

3. the god having the image of man - An (the sky) and the goddess - Ki (the earth) gave birth to the god of air - Enlil;

4. The god of air, Enlil, separated the sky and the earth. While An raised (took away) the sky, Enlil lowered the earth, his mother. Their (of the air and the earth) being together originated the world plants, animals, human beings and civilization.
[link to geoalphabet.webs.com]

Interpretation: Man and woman created a child who cried so much, his/her parents developed seperate views. The baby cried and expelled such great amounts of air, it was believed air reserves doubled on earth. The mother and father had to find solace in the beauty of nature.