Felix Lehner's workshops in Switzerland and Shanghai are where the ancient art of metal casting meets the modern art world's most visionary ideas. No commission is too outlandish or exacting for Lehner's team of craftsmen, who have brought the fantasies of artists as diverse as Urs Fischer and Katharina Fritsch to life. Discover the mesmerising world of molten metal behind the doors of Lehner's world-renowned Art Foundry.