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 its "outstanding universal value", is also evaluated by the advisory bodies before being sent to the Committee. Such proposals can be rejected by either the advisory bodies or the Committee if they judge it to be a significant change instead of a minor one. Proposals to change the site's official name is sent directly to the Committee. A site may be added to the List of World Heritage in Danger if there are conditions that threaten the characteristics for which the landmark or area was inscribed on the World Heritage List. Such problems may involve armed conflict and war, natural