Peter Manhardt made models for him of the pit-house, the grass roof house and the green service station – along with his idea of the invisible, inaudible Green Motorway
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Peter Manhardt made models for him of the pit-house, the grass roof house and the green service station – along with his idea of the invisible, inaudible Green Motorway
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-17 from Wikipedia. The archived copy is preserved so this citation survives link rot.