WORLD CIVILIZATION

Detailed explanation-1: -The excavated site of Lothal is the only port-town of the Indus Valley Civilisation. A metropolis with an upper and a lower town had in on its northern side a basin with vertical wall, inlet and outlet channels which has been identified as a tidal dockyard.

Detailed explanation-2: -Complete answer: The dockyard at Indus valley civilization was found in lothal. Apart from the dockyard, the city had raw materials such as semi-precious stones etcetera. It was also an important centre for making objects out of stone metal and shells.

Detailed explanation-3: -The dominant sight at Lothal is the massive dockyard which has helped make this place so important to international archaeology. Spanning an area 37 meters from east to west and nearly 22 meters from north to south, the dock is said by some to be the greatest work of maritime architecture before the birth of Christ.