There is an ancient invention still used in some parts of the world today that allows people to see through walls. What is it?

A window

 Print This Post | | Save as txt

This entry was posted on Wednesday, March 22nd, 2006 at 11:08 am and is filed under Riddles. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.