EU's constitution, for one, has grown higgledy-piggledy, through a series of treaties in which national politicians have ceded sovereignty without ever quite admitting it to themselves, let alone their electorates.

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Flat land is at a premium, and orchards are planted pragmatically, stepping higgledy-piggledy uphill or weaving a line along thin terraces cut into the hillsides.

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While New York has its grid system and Paris its grands boulevards, London has evolved in a higgledy-piggledy fashion.

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The Casa de la Memoria de Al-Andalus (the House of Al-Andalus Memories) encased in a former Sephardic Jewish mansion in the higgledy-piggledy Santa Cruz quarter, has garnered an excellent reputation in recent years for its heavy Baroque atmosphere and skilful musicians who are not afraid to improvise.

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