Rounded cobble of porphyroblastic schist, showing compositional variations determining porphyroblast identity.
Where are the contacts? Which came first?
The skeleton of the oldest Luxembourger was salvaged in 1935 under this rock. The so-called "Loschbur man" lived c. 8000 years ago on the river banks of the "Black Ernz".
Puerto de Alicante
Regardez le Rêve dans une bulle
A picture made up of one billion pixels.
Cells are classified using a dictionary image cross-correlation scheme. Cells classified as R1 are red; R2 are blue; R3 are green; R4 are white.
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