On the pebbled shores of Suffolk’s coast, a bright, metallic, sculpture arcs into the sky: the Scallop. Situated on the beach in Aldeburgh, Maggi Hambling’s Scallop glistens, reflecting the water’s radiance and sky beautifully. The Scallop, a sculpture to celebrate Benjamin Britten, has stood tall on the beach since 2003, in an area that is…