Looks to me as if someone is looking out between the bamboos; with a framed and fearful symmetry; I thought that was just beyond the cricket pitch. ::15:
one of my treasured books is William Blake Illuminated Works, the whole of his illustrations and words. The impact that Tangerine Dream made on me when they took Tyger Tyger as the inspiration for one of their performances was nothing less than a revelation wrapped in an epiphany.