I was browsing and found these images taken from the mars surveyor, they are a weird formation and want some opinions on what you think they might be
www.enterprisemission.com/images/samp-tunnels.jpg

if you cant get into it by link do a yahoo search on "mars tunnels"

they are just valleys with sand dunes, they are not tunnels at all. there has been a lot of discussion already about that website - the people who run it are at best crackpots, at worst frauds

click here for explaination

EH.....Anything that can be said for and against is being said or has been said here

http://www.unexplained-mysteries.com/forum...showtopic=51701