A woman wearing only knee-high boots rode on a subway in Austria earlier this week, reports the Austrian Times. The woman reportedly stayed on for several stops before getting off.

The paper reports that onlookers immediately began snapping photos of the mysterious naked woman. She did not seem to mind, however, and even posed for the camera, according to one eyewitness. You can view one of these uncensored photos of the woman here.

The woman's lack of clothing is even more puzzling when you consider the weather in Austria this time of year. According to the Austrian Times, the temperature in Vienna is near freezing, and the country has already faced heavy snowfall.

According to the Daily Mail, the woman got on the train near the Kardinal-Nagl-Platz station and stood in the middle of the car for several stops. She then got off without saying a word.

Already the Austrian media is trying to determine who this mysterious subway rider is. Various newspapers have even published her photo on the front pages and asked readers to help identify her.

One local paper even reportedly agreed to perform a photo shoot with the woman if she agreed to reveal her identity and reasoning behind the stunt.

Whoever this lady is, she is not the first to expose herself on the subway. Last year, one woman rode New York's D train completely nude below the waist. Unlike the Austrian rider, however, this woman chose to ride the subway on a boiling hot day, according to Gawker. You can watch that video here.

Last May, a male passenger on another New York subway started screaming racial and ethnic slurs while wearing only his boxers, according to the Smoking Gun. By the end of the video, he has removed those as well and has begun attacking others on the platform. You can watch that video here.