Panama Canal worker preparing the lines for the ship to be pulled by the Locomotives

panama canal canal panama cruise ship gatun locks miraflores locks gatunlake panama city panama gates le canal du panama architecture bridge building business central america construction destination gate harbor industry landmark lock nautical navigation ocean passenger people platform railway shipping technology tourism traffic train transit transportation travel vacation vessel waterway pedro miguel panama canal locks navigational buoys locomotive mule tugboat crossing panama canal oil tanker pedro miguel locks