Fossilised coral that was used for the fort construction, Portuguese Fort, Kilwa, Tanzania. Author and Copyright Alan Sutton..

Fossilised coral that was used for the fort construction, Portuguese Fort, Kilwa, Tanzania. Author and Copyright Alan Sutton..

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Fossilised coral that was used for the fort construction, Portuguese Fort, Kilwa, Tanzania. Author and Copyright Alan Sutton..

Fossilised coral that was used for the fort construction, Portuguese Fort, Kilwa, Tanzania. Author and Copyright Alan Sutton..

This post is also available in: French German Italian Spanish Dutch Indonesian Polish Portuguese (Portugal)

About Marco Ramerini

I am passionate about history, especially the history of geographical explorations and colonialism.