Permafrost near equator; hummingbirds near subarctic
Photo By Mike O'toole
Kenji Yoshikawa, Kenji Narita, and guide Romli Otto who helped with a climb up Mount Kilimanjaro drill a permafrost monitoring hole near the volcano's summit. In the background is Furtwängler Glacier, a remnant of a large icecap that used to cover Kilimanjaro's summit.
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