Where there’s a bridge to the gardens (3)

I believe the answer is:

kew

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'gardens' is the definition.
(Kew Gardens in London)

I don't understand the remainder of the clue.

(Other definitions for kew that I've seen before include "Location of the Royal Botanic Gardens in London" , "SW London Gardens" , "part of London" , "Garden location" , "Botanic gardens site" .)

I've seen this clue in the Evening Standard.

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