For a change I'm assembling a building or two to populate the skyline and this particular industrial structure is one of many excellent kits in the Walthers Cornerstone range. US structures are well worth investigating if you find the UK equivalents tiny and twee. This is actually part of the "Superior Paper Co" kit but will end up being just another anonymous urban structure on the layout. It isn't, as one wag has already suggested, a bombed out presidential palace.
The coffee mug is holding a slightly warped roof panel in place until the solvent dries...