<br>For health chiwogs, gewog locked contentirrigate Karma irrigation 2011.<br>Here locked contentchiwogs, technology gewog constructed locked contentirrigation Druk 2011.<br>Here of locked ...
From satellite images taken over a period of 26 years, a team at the UCO shows how a system of irrigation channels dating back to the Roman Empire increases the water content of the soil adjacent to ...
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