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A ceremony is held to pay tribute and lay floral baskets to the people's heroes at the Tian'anmen Square in Beijing, capital of China, Sept. 30, 2017, the fourth Martyrs' Day. (Xinhua/Ju Peng)
A ceremony is held to pay tribute and lay floral baskets to the people's heroes at the Tian'anmen Square in Beijing, capital of China, Sept. 30, 2017, the fourth Martyrs' Day. (Xinhua/Ju Peng)