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Staircase and lift in the AVA bridge at McNealy-Brown's yard in Kent

Ribbon cutting with representatives of the consortium behind the AVA bridge at McNealy-Brown's yard in Kent

The AVA bridge at McNealy-Brown's yard in Kent

The AVA bridge deck showing the glass panels and lighting strips, at McNealy-Brown's yard in Kent

A Chiltern Railways train runs past primroses near Denham, Bucks

Network Rail Ecologist Sam Jones puts a bird box up a tree near Denham, Bucks