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A journalist shows a first-day cover with commemorative stamps issued to mark the International Horticultural Exhibition 2019 Beijing at the media center in Yanqing District of Beijing, capital of China, April 29, 2019. Beijing Stamp Company issued the first-day cover with a set of two commemorative stamps on Monday. (Xinhua/Hou Dongtao)
The first-day covers with commemorative stamps to mark the International Horticultural Exhibition 2019 Beijing are pictured at the media center in Yanqing District of Beijing, capital of China, April 29, 2019. Beijing Stamp Company issued the first-day cover with a set of two commemorative stamps on Monday. (Xinhua/Hou Dongtao)
