Photos: Egyptians protest presidential powers

A street vendor grills corn as Egyptian soldiers stand guard at the Presidential Palace on Tuesday, December 18, in Cairo. Protesters opposed to President Mohamed Morsy's first round of voting in the constitutional referendum gather during continuing demonstrations.

A street vendor grills corn as Egyptian soldiers stand guard at the Presidential Palace on Tuesday, December 18, in Cairo. Protesters opposed to President Mohamed Morsy's first round of voting in the constitutional referendum gather during continuing demonstrations.