Even as tensions with North Korea remain unresolved, East's Asia other flashpoint is once again in the headlines: the Senkaku/Diaoyu islands.
Over the last several weeks, several incidents have increased tensions between China and Japan.
Recently, Japanese Prime Minister Shinzo Abe sent a cypress tree branch to the Yasukuni shrine. Members of his cabinet have also visited the shrine, as recently as Administrative reform minister Tomomi Inada on Sunday.
The visits have increased tensions with Beijing as well Seoul. Both nations view the shrine as a symbol of the pain and anguish both suffered during a time of Japanese aggression and imperial conquest.