The image was made on a fragment of plywood from a skip. There is a combination of acrylic thin washes, clays and sands from the site. 15x13x1cm unframed. A thin layer of primer applied with gestures to imply the arc of cool air just before sunrise.
Acrylic and site materials on an irregular rectangular wood fragment. (one corner sliced away) Made on site having first applied a thin wash of white acrylic primer to seal and to enhance the luminosity of the washes of paint. 21x8x1cm.