This is a fascinating story about Konstantin Petrov, an avid photographer from Estonia who went to work in the World Trade Centre in New York in 2001. He captured hundreds of images during his time there which are now considered to be of great value and set to be included in a documentary by filmmaker Erik Nelson. Sadly, Konstantin will never see this film. He passed away in 2002.
Please click on the link below to read the full story:
http://www.newyorker.com/magazine/2014/09/15/take-picture