Number, Patterns and Shapes: 119-191-911,etc.

http://www.enterprisemission.com/tower2.htm

The STS-119 has 2 sets of twin bars that also look a little like inverted-towers in a reflection.

http://911research.wtc7.net/wtc/history/index.html

There was a time during the early years of the WTC where they were very close to the Hudson River. That was years before the completion of the huge landfill project for Battery Park City.

James Burke created the Connections TV series & the first episode was in 1978. Take a look & see where the series started 23 years before 9-11.

http://breakfornews.com/forum/viewtopic.php?p=17519

From flight 911 to the flight-191-enigma. 

1967: http://en.wikipedia.org/wiki/X-15_Flight_191,

1972: http://en.wikipedia.org/wiki/Prinair_Flight_191,

1979: http://en.wikipedia.org/wiki/American_Airlines_Flight_191,

1985: http://en.wikipedia.org/wiki/Delta_Air_Lines_Flight_191,

2006: OH191 or Comair_Flight_191
For more in depth posts on a wide variety of things visit,
http://copycateffect.blogspot.com/2012/03/flight-191.html

From certain angles the WTC looked like a giant #11 & a tuning_fork. 

www.crystalinks.com/synchronicity.html, www.secretsinplainsight.com/2011/09/19/1111,
http://patternsofsynchronicty.blogspot.ca/2011/06/11-11-11-11110-etc.html

http://syncnotes.blogspot.ca/2010/06/aloha-911.html,
http://patternsofsynchronicty.blogspot.ca/2010/06/sacred-geometry.html