硅谷AI大佬都在造末日地堡：小扎夏威夷修了465平米，奥特曼承认有加固地下室

Core Viewpoint - Tech billionaires, including Mark Zuckerberg and Sam Altman, are investing in underground bunkers as a form of insurance against potential global crises, indicating a growing concern about future uncertainties [3][10][30]. Group 1: Mark Zuckerberg's Investments - Mark Zuckerberg has spent a total of $65 million on land in Kauai, Hawaii, acquiring over 2,300 acres valued at more than $300 million since 2014 [4][6][5]. - His plans include developing a large residential complex with features such as two large mansions, a bomb shelter, and self-sufficient living facilities [10][15]. - The underground shelter is designed to be self-sustaining, equipped with its own energy and water systems, allowing the Zuckerberg family to survive independently for an extended period [15][16]. Group 2: Sam Altman's Preparations - Sam Altman has also acknowledged having a fortified basement, which he downplays as a mere shelter rather than a full-fledged bunker [18][20]. - He cites various emergencies, such as pandemics and climate disasters, as reasons for his preparations, reflecting a broader concern among tech leaders about potential global threats [23][22]. Group 3: Other Tech Billionaires - Peter Thiel, a prominent figure in Silicon Valley, attempted to build a "doomsday bunker" in New Zealand, highlighting that he was one of the earliest tech billionaires to invest in such preparations [25][27]. - The increasing trend of tech leaders investing in bunkers raises questions about their confidence in the future of technology and the potential risks they foresee [30][32].