Workers drilled steel piles Into the seabed to support the massive building and armored the island with Precast concrete "shed" units - Designed specially made hollow blocks to minimize the force of waves. Workers then filled with sand dredged from the structure an offshore seabed. The island, Tuy nhiên, is no simple Sandcastle bolstered by concrete. It not only supports a 1,053-foot building but am also three levels of basement carved out from the sea.
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