In pictures: Korean families reunited

1 of 7 South Koreans travelled from the port of Sokcho to North Korea's Mount Kumgang for a three-day reunion

2 of 7 Parents and children met for an achingly brief time in a hotel at North Korea's Diamond Mountain

3 of 7 Such reunions are always surrounded by intense emotion

4 of 7 Since the sides held a summit in 2000, there have been seven rounds of temporary reunions

5 of 7 But thousands die every year without getting the chance to be reunited with loved ones

6 of 7 Many relatives on either side of the border are becoming increasingly frail

7 of 7 Tensions over North Korea's nuclear ambitions have lessened the hopes of many families