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- terraced agriculture and irrigation, <br> | - terraced agriculture and irrigation, <br> | ||
- freshwater conservation, <br> | |||
- earthquake/storm-resistant architecture, <br> | - earthquake/storm-resistant architecture, <br> | ||
- mining which caused the minimum possible disruption of other surface uses, <br> | - mining which caused the minimum possible disruption of other surface uses, <br> |
edits