BBC Earth, the natural history brand of BBC Worldwide, and India’s Reliance Big Entertainment have entered a co-production and distrib deal for three pics, starting with the $65 million “Walking With Dinosaurs 3D.”All three will be distributed via Reliance’s international film sales and financing arm IM Global. Deal was negotiated over several months by Marcus Arthur, BBC Worldwide’s managing director of global brands, BBC Earth director Amanda Hill, IM Global topper Stuart Ford and Reliance’s Deepak Nayar. “Walking With Dinosaurs 3D,” inspired by the BBC series originated by Tim Haines, who will not be involved, will be co-directed by Pierre de Lespinois of U.S.-based Evergreen Films and BBC Earth’s Neil Nightingale. Second co-production will be the $25 million documentary “Africa 3D,” which will be filmed alongside “Africa,” the BBC’s upcoming TV series. Pic is also made in partnership with Evergreen Films. Third pic is “Life,” currently in post-production for a 2011 release. Pic follows the cycle of animal life to the birth of the next generation and is co-directed by Mike Gunton and Martha Holmes. It is produced by Magic Light Pictures’ Martin Pope and Michael Rose. IM Global starts international sales on “Walking With Dinosaurs 3D” and “Life” at AFM.