Have a look at the 16 images in our photo gallery and see how many you can guess correctly. You will find all the answers in the final picture.

13. Purple haze
This famous clock face frequently changes hue, but where is it? Photo: Photographer: Scott Louden

14. Toucan play at this game...
This Guinness-loving tropical bird can be found perched atop an Edinburgh pub's clock. But which pub? Photo: Callum Bennetts


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