Kew's Millennium Seed Bank partnership celebrates banking its 24,200th species, a Yunnan banana seed - a pink wild banana from China which is an important staple for wild Asian elephants (Musa itinerans). Royal Botanical Gardens Kew is celebrating collecting, banking and conserving 10% of the world's wild plant species. Kew's Millennium Seed Bank, Wakehurst Place, East Sussex. The vaults which are kept at minus 20 degrees centigrade. October 15, 2009. Photo: Edmond Terakopian