Indus Valley!

The overwhelming sight at Lothal is the giant dockyard which has helped make this place so imperative to global archaic exploration. Spreading over a region 37 meters from east to west and almost 22 meters from north to south, the dock is said by some to be the best work of sea engineering before the birth of Christ. Certainly, not all archeologists are persuaded that the structure was utilized as a dockyard and some want to allude to it as a vast tank that may have been a reservoir.

It was unearthed other than the river Sabarmati, which has since changed course. The structure's outline demonstrates an intensive study of tides, power through pressure and the impact of ocean water on blocks. Boats could have gone into the northern end of the dock through a gulf channel associated with an estuary of the Sabarmati amid high tide. The bolt doors could then have been shut so the water level would rise adequately for them to drift.

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