Philippe Clement / House spider (Tegenaria duelica) trapped in a washbasin in bathroom, Belgium, September.
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Philippe Clement / House spider (Tegenaria duelica) trapped in a washbasin in bathroom, Belgium, September.
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Michael Pitts / Black Hole of Andros a massive sink hole cut into the limestone in central Andros, Caribbean.
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Barrie Britton / Roots of Banyan tree (Ficus benghalensis) descending into limestone sink-hole in Tsimanampetsotsa National Park, Madagascar. Photograph taken on location for BBC 'Wild Madagascar' Series, August 20...
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Patricio Robles Gil / Aerial view of Aldama sinkholes or cenotes, vertical caves filled with mineralized fresh water, Tamaulipas, Mexico
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Patricio Robles Gil / Aerial view of Aldama sinkholes or cenotes, vertical caves filled with mineralized fresh water, Tamaulipas, Mexico
