People carry the coffin of Iranian nuclear scientist Mostafa Ahmadi-Roshan during a funeral ceremony in Tehran, on Jan. 13, 2012. Mostafa Ahmadi-Roshan was killed in a car bomb attack in northern Tehran on Wednesday. <Photo: Xinhua/Ahmad Halabisaz>
People carry the coffin of Iranian nuclear scientist Mostafa Ahmadi-Roshan during a funeral ceremony in Tehran, on Jan. 13, 2012. Mostafa Ahmadi-Roshan was killed in a car bomb attack in northern Tehran on Wednesday. <Photo: Xinhua/Ahmad Halabisaz>
