Wan Junaidi, Malaysia's minister of natural resources and environment, signs at a farewell ceremony for giant panda Nuan Nuan at Malaysia's national zoo in Kuala Lumpur, Malaysia, on Oct 5, 2017. Nuan Nuan (meaning warmth in Chinese), the first Malaysian-born female giant panda cub, will head back to China on Nov 14, more than two years after her parents unexpectedly gave birth to her on Aug 18, 2015. [Photo/Xinhua]