1) Interior dividing wall 
Crosswall is a street in the City of London. At its western end, the street begins at a junction with Crutched Friars and Cooper`s Row. At its eastern end, the street is a turn off Minories. It is home to America Square, the City of London Medical Centre, and a number of bar-restaurants and offices. Crosswall was named as it crossed the old Roman....
Interior dividing wall; structural.
Interior dividing wall; structural.
An interior dividing wall of a castle.