We literally share and exchange life with every creature on the planet through the mediation of this vast cloud. If a practitioner is not able to breathe fully and efficiently with natural ease, his or her body will not be able to perform for any length of time or with much power. I have often witnessed a martial artist demonstrate his technical ability only to conclude his demonstration completely winded. What this indicates is that he has used his reserves of power for the demonstration. He has exerted and exhausted himself, but the essence of Kung Fu is effortless action.
All movement begins with wind.
He also includes links to the cloud-photos of others. This is another page of Gordon Richardson's photos, some of which feature clouds. All are beautiful. This is a single stunning photo of wispy, soaring clouds by Gordon Richardson. Look at his page on general mirages, for example, which comes with photos, illustrations showing what causes them, and which also touches on the lore around such mirages as the Fata Morgana.