https://photos.smugmug.com/Cruises/2018-World-Cruise/Colon-Panama-4-20-2018/i-vBgZcpW/0/c5f63a56/L/The%20Spanish%20forts%20in%20the%20Caribbean%20were%20built%20to%20protect%20the%20trade%20routes%20connecting%20South%20America%20and%20Spain%20through%20the%20isthus%20of%20Panama.-L.jpg