This artist is honing his bubble-making skills at iconic London landmarks in preparation for the world’s first bubble art exhibition. SamSam Bubbleman, otherwise known as Sam Heath, has been impressing onlookers around London by practising his unique ‘sculptures’ out of soapy water. Mr Heath holds nine world records, including the world’s biggest bubble measuring 500 cubic feet, fitting 50 people inside one bubble and creating 56 bubbles inside another.      –DM