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People walk around the "Si-o-Seh Pol", which literally means the bridge of thirty-three arches, in Isfahan, the third largest city of Iran, Sept. 16, 2017. (Xinhua/Meng Tao)
People walk around the "Si-o-Seh Pol", which literally means the bridge of thirty-three arches, in Isfahan, the third largest city of Iran, Sept. 16, 2017. (Xinhua/Meng Tao)