North and South Korea have seen plenty of tense standoffs and flare-ups in the past, but last year brought North Korean leader Kim Jong Un and South Korean President Moon Jae-in together for three historic meetings.
Improving relations are having a marked impact on the heavily fortified border between the two Koreas, with guardposts dismantled, armament reduced and hopes for a peaceful future beginning to spread.
Al Jazeera's Rob McBride travelled to Yeonpyeong Island, a short distance from the North Korean mainland.
