Many thanks to angelofberlin2000 for posting the find on her tumblr page.
Cooperativa has a post up on Chilean fans that took a photo with Keanu in NYC. Luis Guerra Jr. and his brother work as paparazzi in NYC. He took his mother and his Aunt and her friend to Grand Central Station one of the nights Keanu was filming there. Keanu returned to take the photo when he learned the ladies travelled from Chile. You can use the google translator to read the article.