That's where you'll deal with issues such as traffic counts, site orientation, and market analysis.

FORBES: What Does It Take To Start A Hotel?

First presented on 11 March, 2002, and shown annually on 11 September ever since, the tribute consists of 88 7, 000-watt xenon light bulbs placed on a roof near the WTC site in two 48-foot squares that echo the shape and orientation of the twin towers.

BBC: 11 September history tour of New York