15 epic selfies that will get your heart racing

The photographer hangs over the Gangnam district in Seoul, South Korea. (Jun Ahn )

Ahn says her inspiration for the series came from growing up in New York. (Jun Ahn )

Ahn dangles her legs over the edge of a cliff overlooking the Sea of Japan. (Jun Ahn )

Jun Ahn photographs her feet as she sits on the edge of a rooftop overlooking the skyscrapers of New York City. (Jun Ahn )

The artist dangles her feet over a bridge in Greece.  (Jun Ahn )

Ahn sits on the edge of a rooftop looking across Seoul, South Korea. (Jun Ahn )

Ahn perches over the skyline of Seoul, South Korea. (Jun Ahn )

Ahn stands at a cliff overlooking the 12 Apostles on the Great Ocean Road in Australia. (Jun Ahn )

Ahn sits on the edge of a rooftop overlooking New York City. (Jun Ahn )

Ahn sits on the edge of a rooftop in Seoul, South Korea. (Jun Ahn )

Ahn dangles over the edge of a rooftop in Seoul, South Korea. (Jun Ahn )

Ahn sits on the ledge of an alcove in Italy. (Jun Ahn )

Ahn sits on the ledge of a rooftop overlooking Hong Kong.   (Jun Ahn )

Ahn hangs over a spiraling staircase.  (Jun Ahn )

Ahn describes the series as "a kind of performance without an audience." Her images will be on display at the Christophe Guye Gallery in Zurich, Switzerland in October.   (Jun Ahn )