The San Blas Islands of Panama is an archipelago comprising approximately 365 islands and cays, of which only 49 are inhabited. They lie off the north coast of the Isthmus of Panama, east of the Panama Canal.
http://ift.tt/2sP3jOa I learned that the closing of the Isthmus of Panama between North and South America dramatically changed world climates in many important ways one of which was causing Africa to become drier which eventually forced some primates to come down from the trees and begin walking on two legs.
The San Blas Islands of Panama are an archipelago comprising approximately 378 islands and cays, of which only 49 are inhabited. They lie off the north coast of the Isthmus of Panama, east of the Panama Canal. They are home to the Kuna Indians and a part of the comarca (district) Guna Yala (also spelled Kuna Yala) along the Caribbean coast of Panama. The area is popular for sailing, as it is known for its beauty and lack of hurricanes.[
The famous Corinth Canal connects the Gulf of Corinth with the Saronic Gulf in the Aegean Sea. It cuts through the narrow Isthmus of Corinth and separates the Peloponnesian peninsula from the Greek mainland, thus effectively making the former an island. The canal is 6.4 kilometers in length and only 21.3 meters wide at its base