It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Some features of ATS will be disabled while you continue to use an ad-blocker.
Originally posted by pryingopen3rdeye
i guess you could just think of the sink holes as a bubble in the ground that finaly surfaced.
the frequency they are occuring is still strange.
[edit on 8-6-2010 by pryingopen3rdeye]