A butterfly rests on a plant at the Sensational Butterflies Exhibition at Natural History Museum in London, Britain, on April 14, 2018. The exhibition lasts till Sept. 16, 2018. (Xinhua/Han Yan)
RIGHT BG
A butterfly rests on a plant at the Sensational Butterflies Exhibition at Natural History Museum in London, Britain, on April 14, 2018. The exhibition lasts till Sept. 16, 2018. (Xinhua/Han Yan)
