Martian Roman Artefacts

[trip77]

what do you guys think of these pics? i'm new here and just thought id start off with something a bit interesting for ye all!

www.4shared.com/photo/72rdoutG/PIA15275_Greeley-Pancam-L257-F.html

it is an original mars rover pic!

[skywalker]

The rock appears to be basalt from a volcanic lava flow. Lots of weird shapes can show up in lava flows. I would say they are probably natural formations.