![U.S. President Donald Trump and DPRK top leader Kim Jong-un take a walk after their one-on-one talk at the Sofitel Legend Metropole Hanoi hotel, Feb. 28, 2019, in Hanoi.(Photo/Agencies)](http://www.ecns.cn/hd/2019/02/28/2b2a89b06bca4dd292a77521bbdb2169.jpg)
U.S. President Donald Trump and DPRK top leader Kim Jong-un take a walk after their one-on-one talk at the Sofitel Legend Metropole Hanoi hotel, Feb. 28, 2019, in Hanoi.(Photo/Agencies)
![DPRK top leader Kim Jong-un and U.S. President Donald Trump sit down before their one-on-one chat during the second U.S.-DPRK summit at the Sofitel Legend Metropole Hanoi hotel, Feb. 28, 2019, in Hanoi.(Photo/Agencies)](http://www.ecns.cn/hd/2019/02/28/19152a412abb47b59e048df8a38a1297.jpg)
DPRK top leader Kim Jong-un and U.S. President Donald Trump sit down before their one-on-one chat during the second U.S.-DPRK summit at the Sofitel Legend Metropole Hanoi hotel, Feb. 28, 2019, in Hanoi.(Photo/Agencies)