It has been revealed why Game of Thrones rebuilt the entire King's Landing set in Belfast.

The city of King's Landing is usually filmed in Dubrovnik, Croatia, but for the eighth and final season, it was painstakingly rebuilt at Titanic Studio's in Belfast.

Warning!!! Spoiler Alert for the latest episode of the final season of Game of Thrones.

In a behind-the-scenes video from HBO about season eight's fifth episode, it was revealed that they constructed the new King's Landing set in order to film the shocking scenes in which Daenerys destroys the city with dragon fire.

Executive producer and writer David Benioff explained in the video: "Kings Landing traditionally has been Dubrovnik. The thing about Dubrovnik is it's a really beautiful city and they love it and they don't want us to burn it down."

Find out about the meticulous process involved in recreating the set in this clip.

Dublin actor Liam Cunningham, who plays Ser Davos Seaworth in the show, praised the attention to detail, saying the set "absolutely looks like it's been there for hundreds and hundreds of years"

Watch the full story behind the penultimate episode of Game of Thrones below.

Read Sinead Brennan's review of Game of Thrones season eight episode five here

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