100 sinkholes in a month: The Croatian village where the land became Swiss cheese -- Earth Changes -- Sott net sott.net - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sott.net Daily Mail and Mail on Sunday newspapers.
Project Mohole: a failed 1960s expedition that changed Earth science vox.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from vox.com Daily Mail and Mail on Sunday newspapers.