Sterkfontein Caves : 無料・フリー素材/写真
Sterkfontein Caves / MaropengSA
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | The term stalactite comes from the Greek word stalaktos, which means “dripping”, because these other-worldly formations are produced by “drips” from the ceilings of limestone caves. Water reacts with chemical elements in the ground and rock, and seeps slowly through the roof of the cave, depositing calcium carbonate, which hardens and builds up over time to form a stalactite. |
| 撮影日 | 2009-07-27 15:26:21 |
| 撮影者 | MaropengSA |
| タグ | |
| 撮影地 | |
| カメラ | Canon EOS 450D , Canon |
| 露出 | f/5.0 |
| 開放F値 | f/5.0 |
| 焦点距離 | 18 mm |