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.<br />Sinkholes may trap surface drainage from standing or running water, but they may also occur in high and dry places. <br /><br />--------------------------------------------------------<br /><br />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. <br /><br />For news that's fun and never boring, visit our channel:<br />https://www.youtube.com/user/TomoNewsUS<br /><br />Subscribe to stay updated on all the top stories:<br />http://www.youtube.com/subscription_center?add_user=TomoNewsUS<br /><br />Stay connected with us here:<br />Facebook http://www.facebook.com/TomoNewsUS<br />Twitter @tomonewsus http://www.twitter.com/TomoNewsUS<br />Google+ http://gplus.to/TomoNewsUS
