A set of souvenir pins designed for the 10th Beijing Xiangshan Forum, featuring the forum's 10th anniversary logo, red maple leaves of Xiangshan, the Great Wall and other elements that symbolize the forum's theme. The 10th Beijing Xiangshan Forum is being held from Oct. 29-31 at the Beijing International Conference Center, with the theme of "Equality, Openness, Inclusiveness and Mutual Learning." [Photo courtesy of China Association for Military Sciences]