21. It is one of the world's largest areas of peatlands, which are characterized by raised bogs . 22. It is mainly found within tracts of upland blanket bog, but also locally on raised bogs . 23. Two kilometres from the town centre lies Clara Bog, a raised bog which contains rare flora. 24. Danes Moss is a lowland raised bog , a rare and threatened habitat in the United Kingdom. 25. Especially valuable for nature conservation, are the raised bogs formed by the restoration of former marshland. 26. Lille Vildmose, to the southeast, is reported to be the largest raised bog in north-western Europe. 27. The Black Moor is an cupola-shaped, raised bog . 28. Depending on the geographical location, various species of peat moss are involved in making the raised bogs . 29. Cors Caron represents the most intact surviving example of a raised bog landscape in the United Kingdom. 30. It is a large lowland raised bog , among the best examples in the west of Northern Ireland.