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Fireworks illuminate the sky over Juzizhou Island and Du Fu Pavilion in celebration of Labor Day in Changsha, central China's Hunan Province, May 1, 2019. (Xinhua/Chen Zeguo)
Fireworks illuminate the sky over Juzizhou Island and Du Fu Pavilion in celebration of Labor Day in Changsha, central China's Hunan Province, May 1, 2019. (Xinhua/Chen Zeguo)