Science post from the boston airport.This cylander is a structural member. The designers of the airport used columns because they ballance weight well.
Marion

This message has been sent using the picture and Video service from Verizon Wireless!

To learn how you can snap pictures and capture videos with your wireless phone visit www.verizonwireless.com/picture.

Note: To play video messages sent to email, Quicktime@ 6.5 or higher is required.