Sinkholes typically form in karst landscapes where acidic ground water runs into the bedrock, dissolving the rock while creating cavities and caves that can collapse.
Sinkholes may trap surface drainage from standing or running water, but they may also occur in high and dry places.
--------------------------------------------------------
TomoNews is your daily source for top animated news. We've combined animation and video footage with a snarky personality to bring you the biggest and best stories from around the world.
For news that's fun and never boring, visit our channel:
https://www.youtube.com/user/TomoNewsUS
Subscribe to stay updated on all the top stories:
http://www.youtube.com/subscription_center?add_user=TomoNewsUS
Stay connected with us here:
Facebook http://www.facebook.com/TomoNewsUS
Twitter @tomonewsus http://www.twitter.com/TomoNewsUS
Google+ http://gplus.to/TomoNewsUS
VideoDorks
BookDorks
AudioDorks
CssDorks
TVDorks
PhotoDorks
ThemeDorks