Aogashima
Small bodies of water inside a huge crater as seen in this aerial view of Aogashima, a volcanic Japanese island. In time, who knows? This entire island may eventually fill with water and become a crater lake. Photo by imgur via Wikipedia
Small bodies of water inside a huge crater as seen in this aerial view of Aogashima, a volcanic Japanese island. In time, who knows? This entire island may eventually fill with water and become a crater lake. Photo by imgur via Wikipedia