![Photo provided by Korean Central News Agency (KCNA) shows top leader of the Democratic People\'s Republic of Korea (DPRK) Kim Jong Un attending a ceremony before leaving for Russia on a private train at dawn in Pyongyang, DPRK, on April 24, 2019. During the visit, which is at the invitation of Russian President Vladimir Putin, Kim will have talks with the Russian president, according to a KCNA report Tuesday. (Xinhua/KCNA)](http://www.ecns.cn/hd/2019/04/25/e77393e7d6634a328f98ed816ab44994.jpg)
Photo provided by Korean Central News Agency (KCNA) shows top leader of the Democratic People's Republic of Korea (DPRK) Kim Jong Un attending a ceremony before leaving for Russia on a private train at dawn in Pyongyang, DPRK, on April 24, 2019. During the visit, which is at the invitation of Russian President Vladimir Putin, Kim will have talks with the Russian president, according to a KCNA report Tuesday. (Xinhua/KCNA)
![Photo provided by Korean Central News Agency (KCNA) shows top leader of the Democratic People\'s Republic of Korea (DPRK) Kim Jong Un leaving for Russia on a private train at dawn in Pyongyang, DPRK, on April 24, 2019. During the visit, which is at the invitation of Russian President Vladimir Putin, Kim will have talks with the Russian president, according to a KCNA report Tuesday. (Xinhua/KCNA)](http://www.ecns.cn/hd/2019/04/25/89684967718f4ee58b72bd0b58ca1496.jpg)
Photo provided by Korean Central News Agency (KCNA) shows top leader of the Democratic People's Republic of Korea (DPRK) Kim Jong Un leaving for Russia on a private train at dawn in Pyongyang, DPRK, on April 24, 2019. During the visit, which is at the invitation of Russian President Vladimir Putin, Kim will have talks with the Russian president, according to a KCNA report Tuesday. (Xinhua/KCNA)
![Top leader of the Democratic People\'s Republic of Korea (DPRK) Kim Jong Un attends the welcome ceremony in Vladivostok, Russia, April 24, 2019. Kim Jong Un arrived here in his train on Wednesday for his first meeting with Russian President Vladimir Putin on Thursday. (Xinhua/Bai Xueqi)](http://www.ecns.cn/hd/2019/04/25/fa2fb07730fc48359cbd81b689e7860d.jpg)
Top leader of the Democratic People's Republic of Korea (DPRK) Kim Jong Un attends the welcome ceremony in Vladivostok, Russia, April 24, 2019. Kim Jong Un arrived here in his train on Wednesday for his first meeting with Russian President Vladimir Putin on Thursday. (Xinhua/Bai Xueqi)
![Top leader of the Democratic People\'s Republic of Korea (DPRK) Kim Jong Un attends the welcome ceremony in Vladivostok, Russia, April 24, 2019. Kim Jong Un arrived here in his train on Wednesday for his first meeting with Russian President Vladimir Putin on Thursday. (Xinhua/Bai Xueqi)](http://www.ecns.cn/hd/2019/04/25/4f94f47400bf4f079cf4f963f3a90252.jpg)
Top leader of the Democratic People's Republic of Korea (DPRK) Kim Jong Un attends the welcome ceremony in Vladivostok, Russia, April 24, 2019. Kim Jong Un arrived here in his train on Wednesday for his first meeting with Russian President Vladimir Putin on Thursday. (Xinhua/Bai Xueqi)
![Top leader of the Democratic People\'s Republic of Korea (DPRK) Kim Jong Un attends the welcome ceremony in Vladivostok, Russia, April 24, 2019. Kim Jong Un arrived here in his train on Wednesday for his first meeting with Russian President Vladimir Putin on Thursday. (Xinhua/Bai Xueqi)](http://www.ecns.cn/hd/2019/04/25/e5d3ce1d4e0d4df79fa8802ddf61b750.jpg)
Top leader of the Democratic People's Republic of Korea (DPRK) Kim Jong Un attends the welcome ceremony in Vladivostok, Russia, April 24, 2019. Kim Jong Un arrived here in his train on Wednesday for his first meeting with Russian President Vladimir Putin on Thursday. (Xinhua/Bai Xueqi)
![Top leader of the Democratic People\'s Republic of Korea (DPRK) Kim Jong Un attends the welcome ceremony in Vladivostok, Russia, April 24, 2019. Kim Jong Un arrived here in his train on Wednesday for his first meeting with Russian President Vladimir Putin on Thursday. (Xinhua/Bai Xueqi)](http://www.ecns.cn/hd/2019/04/25/e8a8d4ec5b984321b8ab29b549d53ddc.jpg)
Top leader of the Democratic People's Republic of Korea (DPRK) Kim Jong Un attends the welcome ceremony in Vladivostok, Russia, April 24, 2019. Kim Jong Un arrived here in his train on Wednesday for his first meeting with Russian President Vladimir Putin on Thursday. (Xinhua/Bai Xueqi)