A flower of cactus

Flower of succulent plant. The various trunks has a photosynthetic function and have thorn...

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Heliconia flower

A hint of frieze with glide reflection symmetry in the structure of the inflorescence of t...

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Geometry in the caves

The various shapes of stalactites and stalagmites in a cave.

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Stratifications

The geometry of the stratifications of lava in Linosa.

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Uva

La forma degli acini d`uva e delle gocce di rugiada può illustrare la proprietà isoperim...

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A pea

A seed of pea (Pisum sativum), a plant belonging to the family of the Papilionaceae. If we...

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Una diga

Una diga al Lido di Venezia.

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Ombre

Persone su un ponte nel parco del Blyde Canyon (SudAfrica). Si può vedere un'altra foto a...

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Ombre

Persone su un ponte nel parco del Blyde Canyon (SudAfrica).

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Curves

The outline of a dune in Morocco.

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