The document provides information about the city of A Coruña in Spain. It discusses how A Coruña is a busy port city located on the Atlantic Ocean that serves as a distribution point for agricultural goods. It also mentions the nearby city of Ferrol which houses much of the heavy industry in shipyards and metalworks. Additionally, it summarizes details about the Tower of Hercules, an ancient Roman lighthouse located near A Coruña that is considered the oldest lighthouse still in use today.