Geography - Strait of Magellan

The Strait of Magellan comprises a navigable sea route immediately south of mainland South America and north of Tierra del Fuego. The waterway is the most important natural passage between the Pacific and the Atlantic oceans, but it is considered a difficult route to navigate because of the unpredictable winds and currents and the narrowness of the passage.

Go to: http://en.wikipedia.org/wiki/Strait_of_Magellan

Geography - Strait of Gibraltar

The Strait of Gibraltar  is a narrow strait that connects the Atlantic Ocean to the Mediterranean Sea and separates Spain in Europe from Morocco in Africa. The name comes from Gibraltar, which in turn originates from the Arabic Jebel Tariq (meaning "Tariq's mountain").

Go to: http://en.wikipedia.org/wiki/Strait_of_Gibraltar#History

Geography - Hiroshima city in Japan

Hiroshima city in Japan

Hiroshima city is located between sea and mountains, and there are some rivers on the city.
The geographical image is supplied from google earth, and it shows that the some rivers is divided from one river bellow the mountains. The ground of the city has two shape, one part of the near mountains is "Narrow", on the other hand, the part near sea is "Wide"