A few years ago, when Elexia was going through a particularly turbulent time there was an incident in the docks district that led to a large section of supports collapsing into the sodden ground below. The result of this incident have yet to be rectified.
An area containing almost a dozen warehouses is completely collapsed into the mud and water below. Some of these warehouses are surprisingly in tact and often inhabited by those wanting to keep themselves hidden. Others are completely submerged or reduced to rubble.
Dreck - "I've got blasting powder; can salvage the rest to make something crude but effective enough. You reimburse me for my materials in addition to the pay and get me into the bookstore unnoticed, and I'll bring the thing down.