![People watch a TV screen showing U.S. President Donald Trump meeting with the Democratic People\'s Republic of Korea (DPRK) leader Kim Jong Un in Singapore during a news program, at a square in Tokyo, Japan, June 12, 2018. (Photo/Agencies)](http://www.ecns.cn/hd/2018/06/12/741ffef0688f4b05ba53c47ab5747075.jpg)
People watch a TV screen showing U.S. President Donald Trump meeting with the Democratic People's Republic of Korea (DPRK) leader Kim Jong Un in Singapore during a news program, at a square in Tokyo, Japan, June 12, 2018. (Photo/Agencies)
![People watch a TV screen showing U.S. President Donald Trump meeting with the Democratic People\'s Republic of Korea (DPRK) leader Kim Jong Un in Singapore during a news program at a bar in Washington, the U.S., June 12, 2018. (Photo/Agencies)](http://www.ecns.cn/hd/2018/06/12/16bead054df345dca00cc0b2482d2f99.jpg)
People watch a TV screen showing U.S. President Donald Trump meeting with the Democratic People's Republic of Korea (DPRK) leader Kim Jong Un in Singapore during a news program at a bar in Washington, the U.S., June 12, 2018. (Photo/Agencies)
![People watch from a shopping mall food court in the Los Angeles neighborhood of Koreatown as Singapore hosts a summit between U.S. President Donald Trump and the Democratic People\'s Republic of Korea (DPRK) leader Kim Jong Un, at a railway station in Seoul, South Korea, 2018. (Photo/Agencies)](http://www.ecns.cn/hd/2018/06/12/42f53653a7ff4f1ab842ead410705071.jpg)
People watch from a shopping mall food court in the Los Angeles neighborhood of Koreatown as Singapore hosts a summit between U.S. President Donald Trump and the Democratic People's Republic of Korea (DPRK) leader Kim Jong Un, at a railway station in Seoul, South Korea, 2018. (Photo/Agencies)
![People watch a TV screen showing U.S. President Donald Trump meeting with the Democratic People\'s Republic of Korea (DPRK) leader Kim Jong Un in Singapore during a news program at the Seoul Railway Station in Seoul, South Korea, June 12, 2018. (Photo/Agencies)](http://www.ecns.cn/hd/2018/06/12/ea1587b3fdc84878aec9c7602929f1da.jpg)
People watch a TV screen showing U.S. President Donald Trump meeting with the Democratic People's Republic of Korea (DPRK) leader Kim Jong Un in Singapore during a news program at the Seoul Railway Station in Seoul, South Korea, June 12, 2018. (Photo/Agencies)
![Employees of a foreign exchange trading company work near monitors showing TV program on a summit between U.S. President Donald Trump and the Democratic People\'s Republic of Korea (DPRK) leader Kim Jong Un, in Tokyo, Japan, June 12, 2018. (Photo/Agencies)](http://www.ecns.cn/hd/2018/06/12/2dd4d83cbf0c403e8e769ccdda176beb.jpg)
Employees of a foreign exchange trading company work near monitors showing TV program on a summit between U.S. President Donald Trump and the Democratic People's Republic of Korea (DPRK) leader Kim Jong Un, in Tokyo, Japan, June 12, 2018. (Photo/Agencies)
![People watch a TV screen showing U.S. President Donald Trump meeting with the Democratic People\'s Republic of Korea (DPRK) leader Kim Jong Un in Singapore during a news program at a square in Tokyo, Japan, June 12, 2018. (Photo/Agencies)](http://www.ecns.cn/hd/2018/06/12/0d640451371c4a6ba61a0d8739bfd751.jpg)
People watch a TV screen showing U.S. President Donald Trump meeting with the Democratic People's Republic of Korea (DPRK) leader Kim Jong Un in Singapore during a news program at a square in Tokyo, Japan, June 12, 2018. (Photo/Agencies)