Animals of all ages and sizes were measured. Priscilla is London Zoo's 30-year-old giant Galapagos tortoise. They are the largest living species of tortoise in the world, and can weigh more than 400kg and survive without food or water for over a year!

The actors playing Harry Potter and Hagrid in HBO’s new series were spotted filming for the first time in London on Monday. Dominic McLaughlin, 11, got into costume as the beloved titular wizard with a collared sweater, a coat, jeans and a backpack. Of course, the actor also sported Harry’s signature round glasses.