Before diesel petrol, vehicles were pulled either by humans or animals. Earlier motorboats did not operate in water transport. Earlier, boats were either propelled by oars or they used to rely on wind as a sail. But do you know that apart from this, there used to be another way of sailing boats in rivers and canals. At one time in Europe, boats were also pulled by animals. You must be wondering how this happened. But it is true that it used to happen. The interesting thing is that even…
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