National Geographic Explorer Bertie Gregory explores the extraordinary lives of bees, which are among the planet’s most important animals. Over three years, special cameras opened a rare window into a single hive, revealing its hidden world. With more than 20,000 bee species pollinating one-third of the world’s food, this series uncovers their astonishing architecture and intelligence, unlocking their secrets. Secrets of the Bees premieres Wednesday 1st April from 7pm on National Geographic UK.