Houston Mayor Lee P. Brown, above, signs the final beam to mark the completion of steelwork in the project to expand the George R. Brown Convention Center. Below, GRBCC director Dawn Ullrich, Visitors Bureau president Jordy Tollett, and GRBCC general manager Luther Villagomez add their names to the beam in ceremonies held on February 27. Workers will now begin enclosing the building and the entire project is expected to be completed in November.