Glasgow has been reimagined in a new collage by artist Mark Hearld. Hearld’s Glasgow collage features pigeons on a roofscape, with solar panels and home batteries representing greener energy and more affordable energy costs for low-income families. Glasgow has been reimagined in a new collage by artist Mark Hearld. Glasgow has been reimagined in a new collage by artist Mark Hearld. "Removing barriers to investment means more businesses can cut costs, reduce carbon, and help build the resilient energy system Britain needs."