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Illuminated flying flamingos are seen during the launch of "Christmas at London Zoo" at ZSL London Zoo, Britain, on Nov. 22, 2018. The "Christmas at London Zoo" is held here from Nov. 22, 2018 to Jan. 1, 2019, during which over one million pea lights, 200 visual displays including giant illuminated animal installations will provide visitors a magical after-dark experience. (Xinhua/Han Yan)
