ナショナルジオグラフィックのインスタグラム(natgeo) - 12月19日 06時15分

Photo by Stephen Alvarez @salvarezphoto | Close to the Edge Cave, Canada. Last month's announcement of a new cave discovery in B.C. reminded me of my first Canadian caving expedition. Close to the Edge is a huge pit in the Canadian Rockies. Remote, cold, dangerous, it's entrance shaft is 255 meters deep. I was part of a 3 man crew that pushed the cave downward to -430 meters. I remember riding south after the trip, crunching survey data in the back of a greyhound bus and calling friends from a payphone to announce we had explored what was then the second deepest cave in Canada. #explore

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