Cars are allowed to cross the rolling bridges at Aqua Clara as long as a ship is not close to exiting the canal.
Natural gas tanker is entering the second lock canal at Aqua Clara.
Testing the water extinguishers in case a ship might catch fire while going through the Aqua Clara canals.
Middle lock rolling gate opens at Aqua Clara.
Tug boats are used to pull and push the ships through the canal at Aqua Clara. At the old locks ships go through on their own power with the help of the mules. Here ships are not allowed to use their own power.
Last rolling bridges opening so that ship can enter Gatun Lake.
At Aqua Clara each section of the canal has 3 water reservoirs where the water is recycled to fill the canals. In this manner they are able to use 60% less water than the old lock system.
The new bridge is being constructed to connect many small communities with the rest of Panama. The bridge is 2.4 miles long.
Cannons at Fort San Lorenzo.
The Spanish forts in the Caribbean were built to protect the trade routes connecting South America and Spain through the isthus of Panama.
Castle San Lorenzo is an example of the Spanish crown military architecture.
The Main Entrance of San Lorenzo. This is where the drawbridge mechanism was located.
The Lunette, a semicircular shape surrounded by a dry moat. This was designed as a sentry box and to defend against attacks from the mainland. The moat was dry to protect against mosquitos.
Mantle howler monkey.
One of the US Army houses left when the Panama Canal was turned over to Panama in 1999 (from car).