4 Responses to Terra Firma?

  1. Rich Hammer June 11, 2010 at 2:39 pm #

    I’d like a plausible explanation for why this sinkhole appears to be close to perfectly round.

  2. Black Bloke June 11, 2010 at 6:14 pm #

    Hopefully that post with the links will get approved sooner or later.

Leave a Reply

Powered by WordPress. Designed by WooThemes