A security tent is set up at the entrance to the Shangri-La Hotel in Singapore, Sunday, June 10, 2018, ahead of the summit between U.S. President Donald Trump and North Korean leader Kim Jong Un. …

A security tent is set up at the entrance to the Shangri-La Hotel in Singapore, Sunday, June 10, 2018, ahead of the summit between U.S. President Donald Trump and North Korean leader Kim Jong Un. (AP Photo/Yong Teck Lim)