getting a message tuya....
A tuya is a subglacial volcano. These are all pictures from a region just south of the Martian northern residual ice cap.
Not great images but....
In the context image:
http://www.msss.com/moc_gallery/m19_m23/images/M21/M2100398.html
http://www.msss.com/moc_gallery/m19_m23/images/M19/M1901180.html
http://www.msss.com/moc_gallery/m19_m23/images/M19/M1902038.html
http://www.msss.com/moc_gallery/m13_m18/images/M18/M1801661.html
Narrow Angle:
http://www.msss.com/moc_gallery/m19_m23/images/M21/M2100080.html
I just thought this one was cool because of the transition.
