temporary war buildings
... that temporary war buildings on the National Mall in Washington, D.C., were blamed for "producing a depressing air of slovenliness", but some remained standing for over half a century?
... that <b id="mwAZ4"><a href="./Temporary_buildings_of_the_National_Mall" id="mwAZ8" rel="mw:WikiLink" title="Temporary buildings of the National Mall">temporary war buildings</a></b> on the <a href="./National_Mall" id="mwAaA" rel="mw:WikiLink" title="National Mall">National Mall</a> in Washington, D.C., were blamed for "producing a depressing air of slovenliness", but some remained standing for over half a century?