Armin Wegner and the Armenian Genocide exhibition, organized by the Russian Cultural Fund, opens in Moscow Tuesday. The exposition, dedicated to the 90th anniversary of the Armenian Genocide, is based on the documentary materials of A Cry form Ararat: Armin Wegner and the Armenian Genocide," book by Giovanni Guaita. Three out of twenty-five large exhibits, decorated uniquely, depict German military officer Wegner, an eyewitness of the Genocide. Three others present the chronology of the Armenian Genocide under Abdul Hamid, Young Turks and Kemal. High-ranking Russian officials, public figures and artists are expected to attend the opening ceremony. A concert of Armenian classical and spiritual music is expected to be performed by Moscow Chamber Choir, the Yerkir newspaper reported.