Earth oven is added over everything. The food in the pit can take up to several hours to a full day to cook, regardless of the dry or wet method used. Today, many communities still use cooking pits for ceremonial or celebratory occasions, including the indigenous Fijian lovo, the Hawaiian imu, the Māori hāngi, the Mexican barbacoa, and the New England clam bake. The central Asian tandoor use the method primarily for uncovered, live-fire baking, which is a transitional design between the earth oven and the horizontal-plan masonry oven. This method is essentially a permanent earth oven made out of clay or
St Austell Clay Pits has designated a large area of active and disused mine workings in the St Austell area as an Important Plant Area, with the same name as the SSSI. This area includes all the SSSI sites, as well as many others. It is thought that the protected areas will act as a source for colonisation for the western rustwort to other locations in the surrounding china clay area. St Austell Clay Pits St Austell Clay Pits, (Cornwall, England, UK,) are a group of locations within active china clay quarries that form a single Site of Special Scientific Interest (SSSI) and Special