The 10th Beijing Xiangshan Forum got underway on October 29. Security officials from 90 countries and international delegations, including those from the U.S., Israel and Arab countries, are in the Chinese capital for the three-day event. Professor Teng Jianqun, director of the Diplomacy Studies Center at Hunan Normal University, says that the expansion of the forum shows great importance for international community to maintain peace and security.