mdpny:

Sky is the limit. Keep looking up. 
mdpny.com
glass-steel-concrete:

IMG0979e by ahlynk on Flickr.
redx9:

A320

(03-12-2014 Hudson River, New York)
glass-steel-concrete:

NYC Skyline by zeitgeist777 on Flickr.

Untitled by (rypat)
a-goodstart:

Brooklyn bridge, NYC 2013
glass-steel-concrete:

1984_10_Brooklyn_Image21 by Tubagua on Flickr.