West Usk Lighthouse

While watching an episode of Hotel Inspector with Alex Polizzi, a lighthouse on the West Usk in Wales, they had to scramble darlek so that viewers could not see. What was the reason?

The Daleks are the property of their creator, Terry Nation late, and even those who are behind the doctor who franchise to pay his estate to use.

I suppose the main reason is for reasons of copyright. The Dalek is the intellectual property of the Doctor Who franchise.