How to divide a picture into multiple clickable parts and redirect users depending on the click?

Assume I have a big picture on a web page. Now I want to logically (!) split this picture into
multiple parts/areas.
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When I click e.g. on a the shape of building1 then the user should be redirected to web page "building1.html".
When he clicks on the shape of person1 the user should be redirected to web page "man1.html" ....
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How can achieve this picture-multi-click feature?