Mary Jose Cristerna, a Mexican known as The Vampire Woman, poses for the public to take portraits of her during the annual Venezuela Tattoo International Expo in Caracas, Venezuela
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Tattoos and other types of 'body modification' explained

This weekend tattoo artists from around the world have gathered in Caracas for the 2015 Venezuela Tattoo Expo.

Around 400 tattoo artists are participating in the event that celebrates all kinds of what is known as "body modification".

Here is an explanation of exactly what that means.

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