For this round I chose to render the vast subterranean sea imagined
by Jules Verne in his classic novel "Journey to the Centre of the Earth".
Discovered by Professor Otto Liedenbrock, his cousin Axel, and their Icelandic guide Hans, the Liedenbrock Sea carries them 600 leagues beneath the surface of the Earth - from below Iceland to under the central Mediterranean. Filled with all manner of vegetation and prehistoric creatures, this is an imaginary world within our own world.
The trickiest thing in this image was the dinosaur, which I sketched
out on graph paper and built from blobs, coding the coordinates by hand.
It is based on ornithomimid dinosaurs of the Cretaceous period, but has
teeth, unlike some of the better known species of this type such as
Ornithomimus, Struthiomimus, and Dromiceiomimus.
Well, the teeth make it more like a Deinonychus, Troodon
or even Velociraptor, but the body shape is more slender and
the neck longer than in these raptors.
The pterosaurs are identifiably Pteranadon, thanks to the
obvious head crest. I'm particularly proud of the aurorae in this image,
and the mushrooms look quite good too, I think.