Urban Engineering

Tap a structure to explore ancient masterworks.

The Great Bath

The Great Bath

Mohenjo-Daro

The Granary

The Great Granary

Harappa

Drainage System

Drainage System

Advanced Sanitation

Lothal Dock

Lothal Dockyard

World's First Dry Dock

The Citadel

The Citadel

Upper City Precinct

City Walls

Defensive Walls

Standardized Brickwork

The Secret of the Bricks

Indus architecture used a precise 1:2:4 ratio for every single brick. Their cities were the first in history built on a strict grid system, similar to modern New York or Chicago.