On first glance, these photos seem like unnecessary lurking/creeping that may or may not warrant restricting this guy from parks everywhere. On second glance, it's very, very artful and provocative. Photographer Kohei Yoshiyuki's 1970s series The Park happened after he noticed couples congregating (and doing other things) in parks late at night. Open Eye gallery is exhibiting the images of this "underground society" that comes to life at night for the Liverpool Biennial 2012.

[via Itsnicethat]