I was lucky enough to be in charge of the website, social media and blog content for an ice sculpting company that actually created the ice altar in Game of Thrones! We were told about the ice altar very early in the process and had to keep it firmly under wraps until the episode aired.
The Liverpool-based sculptors were often hired for experiential marketing campaigns, including creating an ice version of the Game of Thrones throne.
Click on the images to be taken to the full article and please note that due to the nature of agency work, in this case the blogs are not published under my name.