China and Russia held a ceremony at Heixiazi Island on Tuesday to unveil the boundary markers for eastern section of China-Russia boundary.

Chinese soldiers raise a national flag during a ceremony on the Heixiazi Island Oct. 14, 2008. China and Russia held a ceremony on the Heixiazi Island Tuesday to unveil the boundary markers for the eastern section of their border. (Xinhua/Wang Yongji)

Representatives from the two countries’ departments of foreign affairs, national defense, public security and localities also attended the ceremony.

The Chinese Foreign Ministry and Russian Foreign Ministry on Tuesday also confirmed, through an exchange of notes, that the additional protocol between China and Russia on the eastern section of the China-Russia Boundary as well as its appendix have officially taken effect.

The frontier guards of the two countries have started defense work in accordance with the boundaries surveyed and demarcated by both sides.

VietNamNet/Xinhuanet