The Mudcat Café TM
Thread #102725 Message #2084275
Posted By: beardedbruce
22-Jun-07 - 02:55 PM
Thread Name: BS: Oldest manmade thing you can see?
Subject: RE: BS: Oldest manmade thing you can see?
FYI, the oldest man-made ( caused, anyway) feature visible from space ("naked" eye in orbit) is the Sahara Desert.