silhouette man walking road orange background layered imagery subtle irony nicholas hughes dreamy pointillism john holcroft silver dreamscape portraiture alex colville dreamlike surreal artistic creative imaginative symbolic metaphorical abstract expressive atmospheric mysterious evocative haunting enigmatic thoughtprovoking inspiring captivating mesmerizing silhouetted vibrant lone walks distance style anna elena balbusso bold saturation reminiscent work hely hutchinson color scheme adds touch elegance pointillist optical illusions created freeman add depth texture making balbusso elegance generated