8月21日，国际天文学联合会第28届大会开幕式在北京国家会议中心开幕。国家副主席习近平出席开幕式，并发表热情洋溢的致辞。新华社记者 刘卫兵 摄     August 21，The international astronomical union 28th congress opening ceremony at Beijing's national conference center opening。Vice President xi jinping, attend the opening ceremony，And delivered ebullient speeches。Xinhua news agency reporters LiuWeiBing perturbation

    8月21日，国际天文学联合会第28届大会开幕式在北京国家会议中心开幕。国家副主席习近平出席开幕式，并发表热情洋溢的致辞。这是开幕式会场。新华社记者 刘卫兵 摄     August 21，The international astronomical union 28th congress opening ceremony at Beijing's national conference center opening。Vice President xi jinping, attend the opening ceremony，And delivered ebullient speeches。This is the opening ceremony。Xinhua news agency reporters LiuWeiBing perturbation

    8月21日，国际天文学联合会第28届大会开幕式在北京国家会议中心开幕。国家副主席习近平出席开幕式，并发表热情洋溢的致辞。这是出席开幕式的各界人士。新华社记者 刘卫兵 摄     August 21，The international astronomical union 28th congress opening ceremony at Beijing's national conference center opening。Vice President xi jinping, attend the opening ceremony，And delivered ebullient speeches。This is to be present at the opening ceremony of the people from all walks of life。Xinhua news agency reporters LiuWeiBing perturbation

       8月21日，国际天文学联合会第28届大会开幕式在北京国家会议中心开幕。中国国家副主席习近平出席开幕式，并发表热情洋溢的致辞。这是出席开幕式的各界人士。新华社记者 刘卫兵 摄 August 21，The international astronomical union 28th congress opening ceremony at Beijing's national conference center opening。Chinese vice President xi jinping, attend the opening ceremony，And delivered ebullient speeches。This is to be present at the opening ceremony of the people from all walks of life。Xinhua news agency reporters LiuWeiBing perturbation