The concept of preserving nature from man's interference proved both powerful and enduring: almost a century later the Wilderness Act of 1964 empowered states to designate protected land.
Underwater volcanic eruptions also provide a chance to get up close and personal with observing eruptions, where volcanic plumes act very differently than they do on land.
水下火山爆发也为近距离，个人观测火山爆发提供了机会，在水下，火山熔流与地面火山的活动不同。
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As with the original act, applicants must occupy their parcels of land for five years.