What do you think this is?
a). A secret base on the moon.
b). One of the many bomb shelters that are hidden under McDonald's restaurants (wink, wink).
c). A downtown Seattle transit tunnel.
As for the photo, it's an hdr that was made from one initial shot. I had to go handheld because security will chase you away if you try to use a tripod. That's why my ISO is at 400.