The history of this little known African civilization.

Man has always wanted to conquer every part of the earth, be it the land, skies, or the water. He has tried to reach the depths of the deep oceans in order to get pearls or for the simple pleasure of studying the mysterious regions. However, unlike fish, man has not got the ability to stay underwater for long periods of time. So his ingenious brain to devise methods to do so.

The history of the cod fishery of Newfoundland.

How merchants lived and became rich during the 13th and 14th centuries.