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.
Incredible: This extraordinary model of the Hogwarts School of Witchcraft and Wizardry is due to go on display for the first time. Proud: Jose Granell, model supervisor, is pictured with the model of Hogwarts Castle. It has been used for every one of the Harry Potter films.