Cleaning, repairs to begin at Alamo's Long Barrack, one of the oldest structures in Texas FacebookTwitterEmail 1of17 People walk Monday, Feb. 8, 2021 in front of the west wall of the Alamo Long Barracks. Conservators at the Alamo are preparing to clean the west and south walls of the long barracks, one of the oldest structures in San Antonio, to assess the state of the building's rock and mortar.William Luther, Staff / William LutherShow MoreShow Less 2of17 A sign, seen Monday, Feb. 8, 2021 near the Alamo long barracks south wall, describe for visitors the work being done to conserve the long barracks. Conservators at the Alamo are preparing to clean the long barracks' west and south walls so they can assess the state of the underlying rocks and mortar.William Luther, Staff / William LutherShow MoreShow Less