In the advert, the TARDIS is shown to be on an ice sheet, similar to imagery used in the background on the homepage of the official Doctor Who website's homepage in the run-up to the start of Season 2.
The TARDIS is shown to be on an ice sheet, similar to imagery Who website's homepage in the run-up to the start of Season 2. This was in the advert. This imagery is used in the background on the homepage of the official Doctor.