The Forum - Cave scientist Penny Boston: Why I hugged a hot mega-crystal. Photo by M. Spilde - 麻豆官网首页入口 Sounds

The Forum - Cave scientist Penny Boston: Why I hugged a hot mega-crystal. Photo by M. Spilde - 麻豆官网首页入口 Sounds

The Forum
Cave scientist Penny Boston: Why I hugged a hot mega-crystal. Photo by M. Spilde
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Penny describes her emotional reaction to having to leave the Naica cave system in Mexico.

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