Egyptian security forces take up positions during anti-government demonstrations in Cairo last November. Egyptian activists have been disappearing in growing numbers, and human rights groups say they believe the security forces are responsible. Amr Sayed/APA\Landov hide caption

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A young man walks by holes made by the Egyptian military to destroy smuggling tunnels connected to Gaza. The demolitions have put pressure on Hamas, the militant group that controls Gaza and has long counted on smuggling tunnels as its lifeline. Ahmed Abd El Latif/AP hide caption

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The Nirgul Tablet. Each digital replication becomes more complete and higher-resolution as the project collects more photos and videos of the artifacts. Project Mosul hide caption

itoggle caption Project Mosul

A photo from March shows Mohammed Soltan being pushed by his father Salah during a court appearance in Cairo, Egypt. Soltan, a dual U.S.-Egyptian citizen, was ordered deported to the U.S. after a prolonged hunger strike protesting his prison conditions. Heba Elkholy/AP hide caption

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The Egyptian Muslim Brotherhood's third-highest ranking member and a main financier of the banned movement, Khayrat al-Shater (second from left), and other defendants flash the four-finger salute during their trial in Cairo, Egypt, on Saturday. Ousted President Mohammed Morsi, who was among them, received the death penalty. Khaled Elfiqi/EPA/Landov hide caption

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Ousted Egyptian president Hosni Mubarak sits in the defendant's cage during his verdict hearing in a retrial for embezzlement on Saturday in the capital Cairo. The Egyptian court sentenced Mubarak and his two sons to three years in prison. APAIMAGES/APA/Landov hide caption

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Egypt's former President Mohammed Morsi gestures from the defendants' cage during his trial in Cairo on Tuesday. An Egyptian court sentenced the ousted leader to 20 years in prison for abuses of protesters. Mohamed El-Shahed/AFP/Getty Images hide caption

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U.S. Secretary of State John Kerry speaks at a news conference in Sharm el-Sheikh, Egypt, on Saturday. Kerry said he's returning to nuclear negotiations with Iran with "important gaps" standing in the way of a deal. Brian Snyder/AP hide caption

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Relatives and supporters of Egyptian activist Alaa Abdel Fattah react after Monday's verdict in a trial over an illegal protest. Khaled Desouki/AFP/Getty Images hide caption

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Relatives of Egyptian Coptic Christians purportedly murdered in Libya by self-proclaimed Islamic State militants mourn for those killed. Mohamed el-Shahed/AFP/Getty Images hide caption

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A pickup truck bursts into flames as a riot breaks out outside of a soccer match between Egyptian Premier League clubs Zamalek and ENPPI at Air Defense Stadium, in a suburb east of Cairo, on Sunday. Ahmed Abd el-Gwad/AP hide caption

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Australian journalist Peter Greste (left) of Al-Jazeera news channel and his colleagues, Egyptian-Canadian Mohamed Fadel Fahmy (center) and Egyptian Baher Mohamed, listen to the verdict inside the defendants' cage during their trial for allegedly supporting the Muslim Brotherhood. Khaled Desouki/AFP/Getty Images hide caption

itoggle caption Khaled Desouki/AFP/Getty Images