Helices

A decoration that rolls up to form a helix on these columns in the Palacio da Pena, in Sin...

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A bridge

Lines and curves on the Harbour Bridge in Sydney (Australia).

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Rosettes

Rosettes with cyclic symmetry of type C5 decorate the balcony of this palace on the Canal ...

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A frieze on a balcony

A frieze of type 2*∞ decorates this balcony in the main square of Pirano (Slovenia).

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A balcony with rosettes D8

The balcony of a house in via Caccianino, in Milan is decorated with rosettes with dihedra...

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A fountain

Una forma emisferica per questa fontana a microgetti a Stoccarda, in Konigstrasse.Si può ...

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Facciate

Simmetria nella facciata di questi edifici lungo il canale, a Gand (Belgio).

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An arcade

An arcade in the fortress of Iraklion (Crete)

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A mosque

The mosque Bibi Khanoun in Samarcanda (Uzbekistan).

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A mausoleum

The Mausoleum Apakhoja in Kashgar (China). Looking more closely, we notice various rosett...

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