We need a thread symbol that shows if A&J has already answered the question.Again, :hatsoff: to the master.Cheeky Monkey said:I agree with Aces&Jacks, the only man made structure on earth that can be seen from outer space has to be the great wall of China.
fish said:Just a simple question for all the friendly board members.
Can anyone guess.... Whats the one and only man made structure on earth that can be seen from outer space?