Human-rights groups frequently criticize the performance because of its training routine.
While the spectacle of the performance has attracted tour groups, critics, including human-rights activists, have denounced the Mass Games for its strict training regimen.
"The strict training routine for the Mass Games ... is dangerous to children's health and well-being," a 2014 United Nations Commission of Inquiry report said.
Source: BBC
Thousands of choreographed cards display a massive image of a train that says "Pyongyang — Pusan." Pusan is a coastal city in South Korea.
During their summit, President Moon Jae-in and North Korean leader Kim Jong Un proposed joint economic projects, including an inter-Korean railway.
Images of Kim Jong Un were reportedly scarce in the latest performance of "Glorious Country."
North Korea traditionally displays oversized images of its leaders in parades and monuments. But images that deify Kim Jong Un have been less prominent compared to other North Korean leaders.
"Glorious Country" reportedly continued that trend, showing only one image of Kim Jong Un during the entire performance — a giant projection of him holding hands with Moon.
Source: 38 North