Just outside the perimeter fence stand the hulking remains of grand stone engine houses, a testament to Cornwall’s proud tin and copper mining history.
三观包括：世界观、人生观、价值观。世界观是人们对世界的理解和认知，解决“世界的本质和规律是什么”这一问题，人生观是指对人生的看法，解决“我为什么活着”这一问题，价值观是指判断事情对错的标准，解决了“如何判断善恶”这一问题。
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Steven Frank, the co-founder of Panic, wrote this in 1999, with similar themes: