The light is so bright in Andalucia that the resultant shadows get very distinct, and you must take their shapes into account when you frame a scene. I had fun playing with shadows when taking photographs like this chain one.
Shadow is deep and articulate, so articulate that as in Miro's paintings, the color black, which is often thought as the color of shadow (the Impressionists disagree, though), comes forward, being used as the leading color of his painting.
In this haiga, the haiku was originally "Chain shadow / chained also". But the image is about the chain, and it becomes redundant to mention "chain" in the verse, hence the shortened version.
I photographed the chain in Ronda, where an ancient city sits on a high cliff. I stood at the edge of the cliff and experienced strong gust of wind, so strong that sometimes you cannot stand still. The experience reminded me of a spot in Honolulu, Nuuanu Pali Lookout. Trade wind there is really really strong that you can actually lean on it.
Trade wind carries a scent of salt whereas the wind in Ronda scent of olive oil.