From the Kauffman Center looking north toward Bartle Hall's sky stations. Bartle Hall is the convention center in KC. It has 388,800 square feet of contiguous, column-free space, which is the size of eight football fields. These pylons of concrete and steel support the cables that suspend Bartle Hall above I-70 and allow for the column-free space inside the convention center. These sky stations are brilliant at night as I showed you here.