去进行洞穴探险。
Go cave exploring. Contact North Wales Caving Club, which organises weekly trips with the potential for significant new discoveries as well as mine explorations.
去进行洞穴探险。联系北威尔士探洞俱乐部。他们每周组织一次旅行，潜在重大发现的可能和矿藏勘探的意义。
Go cave exploring. Contact North Wales Caving Club, which organises weekly trips with the potential for significant new discoveries as well as mine explorations.
去进行洞穴探险。联系北威尔士探洞俱乐部。他们每周组织一次旅行，潜在重大发现的可能和矿藏勘探的意义。
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