
The above picture was taken when they were preparing to fire the cannon at Castillo de San Marcos. The fort was built to defend Spain's claims in the New World. It is made of coquina. One of the soldiers was saying that they would be under fire during the day and at night they would patch up the holes. The next day when those that attacked looked and saw no damage after firing at it the day before, they began to be taken down not seeing they were having any affect. This fort was in 15 battles and never lost one. When it changed hands, it was due to a treaty.