South Korean President Moon Jae-in on Friday called on world leaders to put efforts into peacebuilding on the Korean peninsula, at an Olympic reception at which North Korea’s Kim Yong Nam was present.

Speaking at a pre-Opening Ceremony Reception at which around 200 local and foreign VIPs were present, Moon urged participating nations to work together to ease tensions in the region.

Citing a joint North-South women’s ice hockey team, Moon said inter-Korean athletes are “now holding a small ‘snowball’ in their hands,” and that “a snowman starts with a snowball.”

“Together, we should start rolling the small snowball carefully