1. Cave pool, Santorini, Greece
2. Cave dwelling, Sicily
3. Domus Civita, Italy
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4. Caves in Nottingham, England
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5. Hillside Home, Vals, Switzerland
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6. Cave homes, Cappadocia, Turkey
7. House Cave, Sacromonte, Spain
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8. Rock houses, Iceland
9. A hogan in Arizona
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10. Vardezia cave city, Georgia
11. Bad Blumau, Austria
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12. The Brochs of Coigach, Scotland
13. Beckham Creek Cave Lodge, Parthenon, Arkansas
14. Sala Silvermine, Sweden
15. Village of Kandovan, Iran
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16. Nas montanhas de Fafe, Portugal
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17. Dietikon, Switzerland
18. Aloni house, Antiparos Island, Greece
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19. Bolton Eco House, England
20. Malator in Druidstone, Wales
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21. Rock house
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22. Matmata village, Tunisia
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23. Cave House, Festus, Missouri
24. House of Spiritual Retreat, Seville, Spain
25. Cave Home, Troo, France
26. OUTrial House, Poland
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27. Dune House, Atlantic Beach
