http://www.cnn.com/2015/09/11/us/september-11-anniversary/
https://www.911memorial.org/blog/lens-capturing-life-and-events-911-memorial-and-museum-12
https://www.911memorial.org/about-museum
http://www.seattletimes.com/nation-world/police-present-flag-to-german-chancellor-at-911-memorial/
http://www.serve.gov/?q=site-page/september-11th-national-day-service-and-remembrance
