translation.en: As these caves form and melt their way up into the ice, they make these artifacts rain down from the ceiling and fall onto the cave floor, where we end up finding them.
translation.zh: 这些岩洞形成时融入了进入冰中的通道。 这些艺术品从洞顶降下 落在岩洞地面上，我们最后在那里发现它们。