Umpherston Sinkhole
 2023年2月2日, オーストラリア ⋅ 🌧 12 °C
 2023年2月2日, オーストラリア ⋅ 🌧 12 °C
						The area around Mt Gambier is home to 95% of all sinkholes in Australia. The coast consists of dominantly soft limestone and millions of years ago the entire area was under water. Over time the oceansもっと詳しく




















