From spider webs and rabbit warrens, to bird nests and ant colonies, and even coral reefs and beaver lodges, we reveal the secrets to these extraordinary structures and how they're built. Do bees need cement mixers to build hives? Do beavers use cranes to construct dams? No, of course not! Like many animals, they're building geniuses who don't need building site tools to create incredible work. Welcome to nature's very own, super-clever world of construction. Created in consultation with Michael Leach, wildlife expert, speaker, photographer, filmographer, and author of over 20 books on subjects ranging from big cats and owls to great apes and bears.