Voters waiting to cast votes on constitution at a polling stations in Sayeda Zeinab, Cairo

An Egyptian voter inks his finger after casting his ballot

An Egyptian woman casts her ballot in Egypt's 2013 constitutional referendum.

An polling station in Sayyida Zeinab in Cairo

Egyptian women in front of an polling station in Sayyida Zeinab in Cairo

Egyptians line up to vote in the country's constitutional referendum

An Egyptian woman showing an soldier her ID before entering to the polling station

A woman casts her ballot on constitution in a polling station in Cairo

A man casts his ballot on constitution in a polling station in Cairo

A ballot box on the second day of constitutional polls in Egypt

An army soldier helping an old woman to find her polling station

An Egyptian voter inks his finger after casting his ballot in constitutional referendum in Cairo

A woman casts her ballot on constitution in a polling station in Cairo

The final stage of constitutional referendum

Voters carry pictures of Defense Minister General Abdel Fattah El-Sisi in a polling station in Cairo

Inside a polling station on the second day of Egypt's constitutional referendum