Mountains and hills of England the land rises to form the Cheviot Hills, which extend into Scotland and could probably be considered part of the Southern Uplands. They are included in Northumberland National Park, along with Kielder Water and the Kielder Forest. The North Pennines (an Area of Outstanding Natural Beauty, or AONB) lie south of Hadrian's Wall, and east of the Lake District, from which they are separated by the Eden Valley. These are younger rocks, mostly Carboniferous limestone, and the mountains are characterised by shallower slopes covered with moorland vegetation, culminating in Cross Fell at . South of this, the main line of
North–South divide (England) professionals from the north to work in London, whereas it is much less common for young professionals from the south to move to a northern city. There is also a perceived cultural divide in England between the north and the south. The "It's Grim Up North" BBC television series and subsequent book attempted to tease out some of these divisions. Those in the north complained of having fewer cultural opportunities, the book also provided a view of southern life as faceless and bland. When the commercial broadcaster Granada Television began transmission in 1956, it was primarily based in Manchester. Granada's