The next time you play in the sand, just think about where the sand came from. It's hard to believe it could end up making a great sand castle.

下次在海滩玩耍的时候，想想沙是怎么来的，你很难相信这个过程最终结局会是一座大沙堡。

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Now he is making a sand castle.

现在他正在做一个沙(制城)堡。

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The kids' camp keeps them busy with sand castle building and craft making, plus sports like pool volleyball and beach bowling.

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