Simplify the following text for a Grade 7 native English-speaking person.
Original: The majority of the Yorkshire Dales and all of the North York Moors lie within North Yorkshire 's boundaries , and around 40 % of the county is covered by National Parks .
Simplified: Yorkshire has many towns . It also has many open green areas and hills , so two of the 11 UK national parks ( the North York Moors and most of the Yorkshire Dales ) are in North Yorkshire .