Ancient Indus walls.
Superimposed street levels inside the city wall indicate that this area was kept clear until the last phase of the Period 3C occupation when structures were built encroaching onto the street (Trench 41NE)
The interior of the city wall shows mud bricks made from different colors of clay used during different phases of construction.
Inside the city wall were domestic structures with hearths and large jars, part of structures that had encroached onto what used to be street along the inner face of the wall (Trench 41NE).
Looking toward the interior of the "granary" structure, the void of the original baked brick wall (vertical scale) is filled with small pieces of broken baked bricks and mud-brick rubble, while the original open space between the walls (horizontal
This image looking east shows baked brick rubble and trash that had spilled through the corbelled arch of a buttress from the exterior street into a then empty channel between two "granary" walls.
Excavations were conducted in the narrow space running west from the buttresses and between the interior walls to determine what was inside of the "granary" structure.
Hollow baked brick buttresses were later built up against the original "granary" structure on top of a shallow mud-brick platform  that itself overlies the mud-brick platform of the original "granary". Below these platforms is baked brick wall