In this Aug. 4 2014, photo, two Panama Canal workers paddle in their small boat near a cargo ship sailing through the Miraflores Locks at Panama Canal in Panama City. The 100th anniversary of the ... more 
In this Aug. 4 2014, photo, two Panama Canal workers paddle in their small boat near a cargo ship sailing through the Miraflores Locks at Panama Canal in Panama City. The 100th anniversary of the Panama Canal’s opening Friday was supposed to be a celebration of an engineering triumph that cost tens of thousands of lives. But competition is lurking. Egypt is embarking on an expansion of the Suez Canal and a Chinese firm was recently awarded a contract to build a waterway through Nicaragua, the path initially favored by 19th century American engineers. While just a threat on paper for now, Panamanian authorities have responded with the possibility of digging a fourth set of locks to maintain dominance. (AP Photo/Arnulfo Franco) less 
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Associated Press | Photo By Arnulfo Franco
Thu, Aug 14, 2014 4:39 PM EDT