Ancient Harappan architecture, mud-brick city walls, intricate drainage system, advanced urban planning, stepped brick platforms, circular granaries, well-planned streets, narrow alleys, multi-story buildings, ornate doorways, carved wooden doors, stone foundations, sun-dried mud bricks, rustic textures, earthy tones, warm lighting, ancient Indian subcontinent, Indus Valley Civilization, 2600 BCE, archaeological site, excavation, detailed ruins, historic atmosphere, cinematic composition.