The Palace is Their Majesties the King and Queens permanent home residence. The rooms in the southern wing of the palace are reserved for this purpose. The rest of the palace and grounds are open to the public year round.
This video is shoot with Panasonic GH4 in 4K, but it is downgraded to be able to show it.
If you want to see it in 4k and have a very fast internet connection use this link