In fact, it happens. People tend to return to the places thay have once visited. F.i., every criminal returns to the place of crime. Months or years - it sometimes comes to a really long time, but, eventually, it doesn't matter.
There are different conferences on this topic. For example, http://www.materialise.com/" organized
http://www.materialise.com/materialise/view/en/1474263-Materialise+holds+6th+edition+of+Medical+Innovations+Conference+in+Vienna%2C+Austria.html"