Cob (adobe) blocks by Jill Smallcombe and Jackie Abbey, earth art and architecture creatives, Dartmoor National Park, Devon, England, U.K.

Cob (adobe) tiles by Jill Smallcombe and Jackie Abbey, earth art and architecture creatives, Dartmoor National Park, Devon, England, U.K.

Wayfarers' guide, Muff Dudgeon (center) with cob artists Jill Smallcombe (left) and Jackie Abey (right), Burrow Farm near Drewsteignton, Devon, England, U.K.