because it's a different angle than usual!
Have you seen a better one? If so, show & tell! 
I want to go there and take a selfie with the city back drop lol
It's probably take from a helicopter as there are no building tall enough on that end of Navy Pier to get that vantage point.
No manned plane or helicopter could get permission to fly that low. I'm betting it's a drone.
My Spanish is terrible so I can't discern much but the photo is from this website.
By famous photographer, Robert Cameron. Great coffee table book.
(I hope this isn't considered an ad as I couldn't find a better representation of the book)
http://www.amazon.com/Above-Chicago-Robert-Cameron/dp/0918684277/ref=reader_auth_dp
That really is a beautiful shot!
I seriously adore this one too
Have you seen a better one? If so, show & tell!