In Trieste, inside the Second Empire Shipyard, the outside is full of spring and the earth is warming up. Here, the largest ironclad ship in the world is being secretly built here, and its weight is expected to exceed 7,000 tons. For example, today's largest sailing battleship weighs nearly 2,000 tons.

In history, it was not until 1852 that the first ironclad ship breaking through the 6,000-ton mark was ushered in. That was the proud "Wellington" of the United Kingdom - the overlord of the sea at that time.

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