Devon of much of Devon's countryside and coastline as the Dartmoor and Exmoor national parks, and the Jurassic Coast and Cornwall and West Devon Mining Landscape World Heritage Sites. In 2004 the county's tourist revenue was £1.2 billion. More successful visitor attractions are particularly concentrated on food and drink, the South West Coast Path and watersports, including sea-view restaurants in North-West Devon (such as one example belonging to Damien Hurst); surfing there, indoor and outdoor folk music festivals across the county and sailing in the hill-surrounded inlet (ria) at Salcombe. Incomes vary significantly and the average is bolstered by a high
World Heritage Site nominated property on the World Heritage List and sometimes defers or refers the decision to request more information from the country which nominated the site. There are ten selection criteria – a site must meet at least one of them to be included on the list. Up to 2004, there were six criteria for cultural heritage and four criteria for natural heritage. In 2005, this was modified so that there is now only one set of ten criteria. Nominated sites must be of "outstanding universal value" and meet at least one of the ten criteria. These criteria have been modified