"$US 4.99.9"

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"It's a hard land. Could be Mars if not for a few details - the river, the blue sky, the clouds of water vapour and the earth-based lifeforms in the foreground!"

"Bird shit and reddish algae? The home of a unique stick insect."

"Pyramid from the south. The convex curve on the left is just visible - it was the edge of a volcanic crater."