Size: 60cm x 30cm 2025 BBC Earth Square Calendar. Immerse yourself in the breath-taking beauty of nature and the captivating wonders of our planet with stunning imagery from the BBC Earth series, Planet Earth 3. This official calendar is packed with awe-inspiring views and fascinating creatures. There is plenty of room for all your important dates for 2025. Plus, this environmentally friendly calendar comes presented in a beautiful plastic-free sleeve cover.