Tuned Hills 1 Digital interventions on hills; where they should have been and where not Tuned Hill 1-12; straightened hill 4Tuned Hill 1-11Tuned Hill 1-10; straightened hill 3Tuned Hill 1-9; with treeTuned Hill 1-8; no actual tuning was necessaryTuned Hill 1-7; straightened hill 2Tuned Hill 1-6Tuned Hill 1-5; straightened hill 1Tuned Hill 1-3Tuned Hill 1-2