The underwater team had found a large amount of metal buried under the sand of the ocean’s floor during a magnetometer survey near the mouth of the Chagres river in Panama. So how does one go about excavating 350 years of sediment in a way that does not damage a potentially fragile archaeological find? Step 1 - you blast away the top layer of sand with a water canon as seen in this view of a archaeologist at work on the shipwreck of the Encarnación.

Thirty Days in Sixty Seconds – A Photographers Journey in Panama

I was inspired by David Guttenfelder’s “Ninety Days in Ninety Seconds”. If you have ever wondered what it is like to be a photographer working on a story like this Spanish shipwreck in Panama, here is thirty days in sixty seconds.  You can read the full story on National Geographic here.