A backhoe is seen Tuesday, August 6, 2013 after it was swallowed by a sinkhole in Montreal. (CP/Graham Hughes)
The mysterious sinkhole ...
About 35 tourists are thankful to have ground to walk on after a giant sinkhole swallowed part of the Summer Bay Resort near Florida's Disney World a week and a half ago. Sinkholes and hurricanes are common safety threats in Florida. But hurricanes can be seen coming, their paths predicted and alerts issued. Sinkholes often give very little warning.
• Florida resort villa partially collapses in sinkhole -- The Associated Press
And it's not just Florida, Canada has it's own problems with sudden and hungry shifts in the earth.
This segment was produced by The Current's Shannon Higgins and Theresa Burke.
CBC News Photogallery: Sinkholes: When the bottom drops out