WARNING: These photos can cause you VERTIGO

Ahn Jun is a South Korean photographer, known primarily for her self-portrait series of photographs taken from dizzying heights above the bustling cities of Seoul, Hong Kong and New York below.

Rediff.com brings you some of the pictures from the series 'Self-Portrait'

Location: Plaza Hotel, Seoul, South Korea

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Self-portrait, the most prominent, is a series of photographs of Ahn on or near the top of skyscrapers, often leaning from a window or seated on a ledge.

Location: Plaza Hotel, Seoul, South Korea

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Some are taken from a first-person perspective, showing her legs dangling into space as she looks down.

Location: New York City, United States (fireworks for the 4th of July Independence Day)

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The project stemmed from a photograph of her feet she took while sitting on the edge of an apartment building while a student at Pratt, and has continued since then.

Location: New York

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For these photographs, Ahn works by gaining access to the building legitimately -- it can take several months for the owners to give permission for the project -- and setting a digital camera to take a large volume of high-speed images while she poses.

Location: KT, Seoul, South Korea

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Ahn uses a harness for some first-person shots, and responds to criticism of the safety of the project simply by saying that she 'always tries to be careful'.

Location: Italy

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The bulk of the photographs are from New York and Seoul, with some from Hong Kong.

Location: Hong Kong, Under Traveling Support of HK Tourism Board/Kumsan Gallery.

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She started the project in 2008 and has scaled around 14 skyscrapers and apartment blocks.

Location: NYC, NY, USA

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The 32-year-old photographer takes the images using setting up cameras with self timers to capture her in the extreme positions.

Location: Hanhwa Building, Seoul, South Korea

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Jun Ahn high above the chaotic architecture and bustle of Hong Kong.

Jun Ahn high above the chaotic architecture and bustle of Hong Kong.

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