They are all either Google Street View or equivalents (Yandex in Russia for example). The curator of this site is, I think, scouring several other websites whi

They are all either Google Street View or equivalents (Yandex in Russia for example). The curator of this site is, I think, scouring several other websites which collect and display interesting Street Views, picking out those which are exceptional, then posting them on his own site without the location data or a source. Probably in the name of 'art'. I know this because many of the images on 9-eyes were originally displayed on my own site, so I know where most of them are.