Picture quiz: Guess the Christmas city
'Tis the season to be sparkly, and metropolises all over the world are embracing the fairy light like there's no tomorrow. Seeing a city in lights can transform a familiar landscape into something rather beautiful and extraordinary, as these pics show. Put your knowledge to the test and see how many of these festive cities you recognise...
Christmas quiz: Which cities are lit up?View all 16 gallery images
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