The Smithsonian National Museum of American History has assembled a 408kg time capsule, scheduled to be buried in Philadelphia on July 4 and opened in 2276.
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美国之音中文网
2026-09-23 20:05 · 美国之音中文网 发布了新视频：美国之音中文广播 (2026年7月3日)
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美国之音中文网
2026-09-23 21:06 · 美国之音中文网 发布了新视频：VOA美国建国250周年特别节目 - 特朗普总统国庆演说(同声传译)
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This event
Smithsonian Institution Plans to Bury a 408kg Time Capsule
2026.07.04 · Reported
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