The two-year-old wild panda twins have been captured on camera by Wolong National Nature Reserve in southern China.<br /><br />The video, filmed in Ngawa Tibetan and Qiang Autonomous Prefecture in Sichuan Province on December 17, shows a pair of sub-adult pandas playing with each other on the 10,000-foot-high Niutou Mountain.<br /><br />According to reports, wild pandas normally give birth to twins but usually only one of them survives.<br /><br />Sub-adult pandas refer to giant pandas whose ages are between two and five-years-old.<br /><br />These pair are the first wild sub-adult twin pandas to be discovered around the world.