Limoni

Un albero di limoni a Djibelor (Senegal).

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Mineral drawings

Some water in a fissure between two rocks, near Tiscali Dolina, in Sardinia.

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Reflections

Reflection tricks in the waters of the Fitzroy River, in Australia.

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Un tronco

La geometria dei fasci di curve ("quasi" circolari) nella sezione di questo tronco.

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Un tronco

La geometria dei disegni su un tronco.

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Un termitaio

Un termitaio a Affiniam (Senegal).

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A leaf

A (rough) bilateral symmetry in a leaf.

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Sea urchins

Calcareous techas of echinoderm made of a set of calcareous plates that form a kind of sti...

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Symmetry in flight

A tern in flight (Iceland).

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Symmetry in flight

A sea-mew in flight (Iceland).

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