In pics: National Palace of Culture in Sofia, Bulgaria
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Picture taken on July 6, 2018 shows the National Palace of Culture in Sofia, Bulgaria. (Xinhua/Zhang Liyun)
Picture taken on July 6, 2018 shows the National Palace of Culture in Sofia, Bulgaria. (Xinhua/Zhang Liyun)
Picture taken on July 6, 2018 shows the National Palace of Culture in Sofia, Bulgaria. (Xinhua/Zhang Liyun)
Picture taken on July 6, 2018 shows the National Palace of Culture in Sofia, Bulgaria. (Xinhua/Zhang Liyun)