Jemma is Dan's wife who often appears in his videos. She also has her own channel although it isn't as famous as Dan's. A friend of their's, Leah, is also a YouTuber. Link below. She appeared in the video HAMSTERS! as a person to race Dan in The Great Hamster Race.
In The Sorcerer's Stone, Harry walks with his white owl, Hedwig, through a snowy cloister courtyard located in Durham Cathedral. Harry first learns to fly a broomstick on the green grass of Hogwarts' school grounds, filmed inside the walls of Alnwick Castle, located 30 miles from Newcastle.
Mackenzie Country. Near Twizel in the Mackenzie Country, Peter Jackson filmed the epic battle of the Pelennor Fields, where thousands of orcs bred by Sauron clashed with the men of Gondor and Rohan. The grassy fields that stretch to the foothills of the mountains look exactly as described in The Lord of the Rings Trilogy.