Uploaded on 2014-10-12 by OLTKUKA

[1]: https://edxuploads.s3.amazonaws.com/14131291298673785.jpg The first invisible information that can be extracted out of this picture is that this is a central place in the city, because there are a lot of people. The second is that probably it is a weekend or holiday, because during the week people are at work/university/school, so maybe you do not find so much people at the same place. The mash-up of these two invisible informations can help in the planning of resources from the city administration during weekends and holidays. In other words the administrate of the city can plan more buses that bring to this location, or can plan more police officers and ambulances in the nearby to offer more security to the citizens.