Each landmark will be lit one by one, with all 10 adorned with different images by Christmas Eve. Then they will all be made to look like wrapped Christmas presents.
To cast your vote simply send a text message to 82888, followed by the word peace, hope or charity, by 18 December. Texts cost 25p each, with the profits being donated to Unicef by event sponsor Orange. The winning image will be displayed between 19 and 22 December